[tin 1.7.x] small cleanup

the patch below removes the following icc warnings:
/init.c(72): remark #1418: external definition with no prior declaration
  char article[PATH_LEN];
       ^
./post.c(118): remark #1419: external declaration in primary source file
  extern char article[PATH_LEN];

--- include/extern.h	2005-06-21 15:38:42.218877041 +0200
+++ include/extern.h	2005-06-21 15:41:14.002128345 +0200
@@ -330,6 +330,7 @@
 extern char *OPT_STRING_list[];
 extern char *nntp_server;
 extern char active_times_file[PATH_LEN];
+extern char article_name[PATH_LEN];
 extern char bug_addr[LEN];
 extern char bug_nntpserver1[PATH_LEN];
 extern char bug_nntpserver2[PATH_LEN];
--- src/init.c	2005-06-20 12:00:34.828543703 +0200
+++ src/init.c	2005-06-21 15:41:21.616736308 +0200
@@ -69,7 +69,7 @@
 char **news_headers_to_display_array;	/* array of which headers to display */
 char **news_headers_to_not_display_array;	/* array of which headers to not display */
 char active_times_file[PATH_LEN];
-char article[PATH_LEN];			/* ~/TIN_ARTICLE_NAME file */
+char article_name[PATH_LEN];			/* ~/TIN_ARTICLE_NAME file */
 char bug_nntpserver1[PATH_LEN];		/* welcome message of NNTP server used */
 char bug_nntpserver2[PATH_LEN];		/* welcome message of NNTP server used */
 char cmdline_nntpserver[PATH_LEN];
@@ -789,9 +789,9 @@
 	strcpy(tinrc.printer, DEFAULT_PRINTER);
 #endif /* !DISABLE_PRINTING */
 	strcpy(tinrc.inews_prog, PATH_INEWS);
-	joinpath(article, homedir, TIN_ARTICLE_NAME);
+	joinpath(article_name, homedir, TIN_ARTICLE_NAME);
 #ifdef APPEND_PID
-	snprintf(article + strlen(article), sizeof(article) - strlen(article), ".%d", (int) process_id);
+	snprintf(article_name + strlen(article_name), sizeof(article_name) - strlen(article_name), ".%d", (int) process_id);
 #endif /* APPEND_PID */
 	joinpath(dead_article, homedir, "dead.article");
 	joinpath(dead_articles, homedir, "dead.articles");
--- src/post.c	2005-06-21 15:38:57.163144877 +0200
+++ src/post.c	2005-06-21 15:47:23.450594312 +0200
@@ -115,7 +115,6 @@
 /* When prompting for subject, display no more than 20 characters */
 #define DISPLAY_SUBJECT_LEN 20
 
-extern char article[PATH_LEN];			/* Fixed path of the file holding temp. article */
 static int start_line_offset = 1;		/* used by invoke_editor for line no. */
 
 char bug_addr[LEN];			/* address to add send bug reports to */
@@ -283,7 +282,7 @@
 
 	*result = func;
 	if (func == POST_EDIT) {
-		if (invoke_editor(article, start_line_offset))
+		if (invoke_editor(article_name, start_line_offset))
 			return TRUE;
 	} else if (func == GLOBAL_OPTION_MENU) {
 		(void) change_config_file(group); /*OD:*/
@@ -1477,12 +1476,12 @@
 				 * This was VERY different in repost_article Code existed to
 				 * recheck subject and restart editor, but is not enabled
 				 */
-				artchanged = file_mtime(article);
-				if (!invoke_editor(article, offset)) {
-					if (file_size(article) > 0L) {
-						if (artchanged != file_mtime(article)) {
-							unlink(backup_article_name(article));
-							rename_file(article, dead_article);
+				artchanged = file_mtime(article_name);
+				if (!invoke_editor(article_name, offset)) {
+					if (file_size(article_name) > 0L) {
+						if (artchanged != file_mtime(article_name)) {
+							unlink(backup_article_name(article_name));
+							rename_file(article_name, dead_article);
 							if (tinrc.keep_dead_articles)
 								append_file(dead_articles, dead_article);
 						}
@@ -1492,10 +1491,10 @@
 				ret_code = POSTED_REDRAW;
 
 				/* This might be erroneous with posting postponed */
-				if (file_size(article) > 0L) {
-					if (artchanged == file_mtime(article))
+				if (file_size(article_name) > 0L) {
+					if (artchanged == file_mtime(article_name))
 						art_unchanged = TRUE;
-					while ((i = check_article_to_be_posted(article, art_type, &group, art_unchanged)) == 1 && repair_article(&func, group))
+					while ((i = check_article_to_be_posted(article_name, art_type, &group, art_unchanged)) == 1 && repair_article(&func, group))
 						;
 					if (func == POST_EDIT || func == GLOBAL_OPTION_MENU)
 						break;
@@ -1509,58 +1508,58 @@
 					if (tinrc.keep_dead_articles)
 						append_file(dead_articles, dead_article);
 #endif /* 0 */
-					unlink(article);
+					unlink(article_name);
 				}
 				clear_message();
 				return ret_code;
 
 			case GLOBAL_OPTION_MENU:
 				(void) change_config_file(group);
-				while ((i = check_article_to_be_posted(article, art_type, &group, art_unchanged) == 1) && repair_article(&func, group))
+				while ((i = check_article_to_be_posted(article_name, art_type, &group, art_unchanged) == 1) && repair_article(&func, group))
 					;
 				break;
 
 #ifdef HAVE_ISPELL
 			case POST_ISPELL:
-				invoke_ispell(article, group);
+				invoke_ispell(article_name, group);
 				ret_code = POSTED_REDRAW; /* not all versions did this */
 				break;
 #endif /* HAVE_ISPELL */
 
 #ifdef HAVE_PGP_GPG
 			case POST_PGP:
-				invoke_pgp_news(article);
+				invoke_pgp_news(article_name);
 				break;
 #endif /* HAVE_PGP_GPG */
 
 			case GLOBAL_POST:
 				wait_message(0, posting_msg);
-				backup_article(article);
+				backup_article(article_name);
 
 				/* Functions that didn't handle mail didn't do this */
 				if (art_type == GROUP_TYPE_NEWS) {
-					if (submit_news_file(article, group, a_message_id))
+					if (submit_news_file(article_name, group, a_message_id))
 						ret_code = POSTED_OK;
 				} else {
-					if (submit_mail_file(article, group, NULL, FALSE)) /* mailing_list */
+					if (submit_mail_file(article_name, group, NULL, FALSE)) /* mailing_list */
 						ret_code = POSTED_OK;
 				}
 
 				if (ret_code == POSTED_OK) {
-					unlink(backup_article_name(article));
+					unlink(backup_article_name(article_name));
 					wait_message(2, _(txt_art_posted), *a_message_id ? a_message_id : "");
 					goto post_article_done;
 				} else {
 					if ((func = prompt_rejected()) == POST_POSTPONE)
 						/* reuse clean copy which didn't get modified by submit_news_file() */
-						postpone_article(backup_article_name(article));
+						postpone_article(backup_article_name(article_name));
 					else if (func == POST_EDIT) {
 						/* replace modified article with clean backup */
-						rename_file(backup_article_name(article), article);
+						rename_file(backup_article_name(article_name), article_name);
 						goto post_article_loop;
 					} else {
-						unlink(backup_article_name(article));
-						rename_file(article, dead_article);
+						unlink(backup_article_name(article_name));
+						rename_file(article_name, dead_article);
 						if (tinrc.keep_dead_articles)
 							append_file(dead_articles, dead_article);
 						wait_message(2, _(txt_art_rejected), dead_article);
@@ -1569,7 +1568,7 @@
 				}
 
 			case POST_POSTPONE:
-				postpone_article(article);
+				postpone_article(article_name);
 				goto post_article_postponed;
 
 			default:
@@ -1640,8 +1639,8 @@
 
 		memset(&header, 0, sizeof(struct t_header));
 
-		if ((art_fp = fopen(article, "r")) == NULL)
-			perror_message(_(txt_cannot_open), article);
+		if ((art_fp = fopen(article_name, "r")) == NULL)
+			perror_message(_(txt_cannot_open), article_name);
 		else {
 			curr_group = group;
 			parse_rfc822_headers(&header, art_fp, NULL);
@@ -1717,10 +1716,10 @@
 			 * log Message-ID if given in a_message_id,
 			 * add Date:, remove empty headers
 			 */
-			add_headers(article, a_message_id);
+			add_headers(article_name, a_message_id);
 			if (!strfpath(posted_msgs_file, a_mailbox, sizeof(a_mailbox), group))
 				STRCPY(a_mailbox, posted_msgs_file);
-			if (!append_mail(article, userid, a_mailbox)) {
+			if (!append_mail(article_name, userid, a_mailbox)) {
 				/* TODO: error message */
 			}
 		}
@@ -1730,7 +1729,7 @@
 post_article_postponed:
 	curr_group = ogroup;
 	if (tinrc.unlink_article)
-		unlink(article);
+		unlink(article_name);
 
 	return ret_code;
 }
@@ -1844,8 +1843,8 @@
 	free(prompt);
 	free(tmp2);
 
-	if ((fp = fopen(article, "w")) == NULL) {
-		perror_message(_(txt_cannot_open), article);
+	if ((fp = fopen(article_name, "w")) == NULL) {
+		perror_message(_(txt_cannot_open), article_name);
 		return FALSE;
 	}
 
@@ -2134,7 +2133,7 @@
 		return FALSE;
 
 	for (i = 0; i < count; i++) {
-		if (!fetch_postponed_article(article, subject, newsgroups))
+		if (!fetch_postponed_article(article_name, subject, newsgroups))
 			return TRUE;
 
 		if (!all) {
@@ -2172,10 +2171,10 @@
 			case PROMPT_NO:
 			case GLOBAL_QUIT:
 			case GLOBAL_ABORT:
-				if (!append_mail(article, userid, postponed_articles_file)) {
+				if (!append_mail(article_name, userid, postponed_articles_file)) {
 					/* TODO: : error -message */
 				}
-				unlink(article);
+				unlink(article_name);
 				if (func != PROMPT_NO)
 					return TRUE;
 				break;
@@ -2553,8 +2552,8 @@
 		}
 	}
 
-	if ((fp = fopen(article, "w")) == NULL) {
-		perror_message(_(txt_cannot_open), article);
+	if ((fp = fopen(article_name, "w")) == NULL) {
+		perror_message(_(txt_cannot_open), article_name);
 		return ret_code;
 	}
 
@@ -3566,8 +3565,8 @@
 	if ((group = check_moderated(groupname, &art_type, _(txt_art_not_posted))) == NULL)
 		return ret_code;
 
-	if ((fp = fopen(article, "w")) == NULL) {
-		perror_message(_(txt_cannot_open), article);
+	if ((fp = fopen(article_name, "w")) == NULL) {
+		perror_message(_(txt_cannot_open), article_name);
 		return ret_code;
 	}
 	fchmod(fileno(fp), (mode_t) (S_IRUSR|S_IWUSR));