[PATCH] do not discard long subject lines

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tin does not display the subject of the following article at group
level:

| From: Michael Baeuerle <[email protected]>
| Newsgroups: de.alt.test
| Subject: MIME header encoding test: =?ISO-8859-1?Q?W=F6rd?= (dies ist ein
|  zwei drei
|  =?ISO-8859-1?Q?=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4?=
|  =?ISO-8859-1?Q?=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4?=
|  =?ISO-8859-1?Q?=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4?=
|  =?ISO-8859-1?Q?=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4?=
|  =?ISO-8859-1?Q?=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4=E4?=
|  =?ISO-8859-1?Q?=E4=E4=E4?= Wort)
| Date: 30 Nov 2013 18:03:45 -0000
| Lines: 12
| Message-ID: <2013-11-30.19_03_45.2992533912.0000019332.WStation4.A0.flnews@micha.freeshell.org>

The attached patch fixes this for me.

Dennis

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diff -urp tin-2.1.5/src/group.c tin-2.1.5_r1/src/group.c
--- tin-2.1.5/src/group.c	2013-11-16 22:27:28.000000000 +0100
+++ tin-2.1.5_r1/src/group.c	2013-11-30 19:55:20.000000000 +0100
@@ -1141,7 +1141,7 @@ build_sline(
 	int i)
 {
 	char *fmt, *buf;
-	char arts_sub[255];
+	char arts_sub[HEADER_LEN];
 	char tmp_buf[8];
 	char tmp[LEN];
 	int respnum;

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