ldm password expiry

i recieved a patch through the debian bug tracking system to fix
password expiry with ldm on debian:

  http://bugs.debian.org/482553

it seemed to address the issues, but since it's dealing with passwords
and my C is poor, i'd like some peer review if the patch looks ok.

--- src.orig/sshutils.c	2008-05-23 14:36:04.000000000 +0200
+++ src/sshutils.c	2008-05-23 14:37:00.000000000 +0200
@@ -227,6 +227,10 @@
 
     while (TRUE) {
         get_passwd();
+        if (!strcmp(oldpw, ldminfo.password)) {
+            set_message(_("You have to enter a new password."));
+            continue;
+        }
         newpw1 = strdup(ldminfo.password);
         set_message(_("Please enter your password again to verify."));
         get_passwd();
@@ -240,6 +244,7 @@
     }
 
     /* send old password first */
+    seen = expect(fd, 30.0, "ssword:", NULL);
     write(fd, oldpw, strlen(oldpw));
     write(fd, "\n", 1);
 
@@ -256,7 +261,6 @@
     
     seen = expect(fd, 30.0, "updated successfully", NULL);
     if (seen == 1) {
-        bzero(ldminfo.password, sizeof ldminfo.password);
         return 2;
     } 
         
being the fool that i am, i already uploaded it to debian unstable. :)

live well,
  vagrant

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