Remove arbitrary requirement on the length of groups.  Perhaps we 
should turn this into a configure option and send upstream ?

http://bugs.gentoo.org/3485

--- libmisc/chkname.c
+++ libmisc/chkname.c
@@ -59,8 +60,10 @@
 	 * Arbitrary limit for group names - max 16
 	 * characters (same as on HP-UX 10).
 	 */
+#if 0
 	if (strlen (name) > 16)
 		return 0;
+#endif
 
 	return good_name (name);
 }