Fix lookup of group names in hesiod initgroups.

Resolving names from a grplist entry actually never worked.
(cherry picked from commit 2eeb9a5)

ChangeLog

@@ -1,3 +1,8 @@
+2009-09-01  Andreas Schwab  <schwab@redhat.com>
+
+	* hesiod/nss_hesiod/hesiod-grp.c (internal_gid_from_group): Fix
+	parsing of group entry.
+
 2009-09-02  Andreas Schwab  <schwab@redhat.com>
 
 	* libio/wfileops.c (_IO_wfile_seekoff): Account for readahead in

hesiod/nss_hesiod/hesiod-grp.c

@@ -139,21 +139,19 @@ internal_gid_from_group (void *context, const char *groupname, gid_t *group)
     {
       char *p = *grp_res;
 
+      /* Skip to third field.  */
       while (*p != '\0' && *p != ':')
 	++p;
-      while (*p != '\0' && *p == ':')
+      if (*p != '\0')
 	++p;
       while (*p != '\0' && *p != ':')
 	++p;
-      while (*p != '\0' && *p == ':')
-	++p;
-      if (*p == ':')
+      if (*p != '\0')
 	{
 	  char *endp;
 	  char *q = ++p;
 	  long int val;
 
-	  q = p;
 	  while (*q != '\0' && *q != ':')
 	    ++q;