$NetBSD: patch-ak,v 1.3 2007/08/03 17:03:30 obache Exp $

--- src/osdep/unix/ckp_gss.c.orig	2007-01-16 23:26:49.000000000 +0000
+++ src/osdep/unix/ckp_gss.c
@@ -38,6 +38,7 @@ struct passwd *checkpw (struct passwd *p
 {
   char svrnam[MAILTMPLEN],cltnam[MAILTMPLEN];
   krb5_context ctx;
+  krb5_error error;
   krb5_timestamp now;
   krb5_principal service;
   krb5_ccache ccache;
@@ -54,7 +55,9 @@ struct passwd *checkpw (struct passwd *p
 				/* make client name with principal */
     sprintf (cltnam,"%.80s/%.80s",pw->pw_name,
 	     (char *) mail_parameters (NIL,GET_SERVICENAME,NIL));
-    krb5_init_context (&ctx);	/* get a context */
+    error = krb5_init_context (&ctx);	/* get a context */
+    if (error)
+      return NIL;
 				/* get time, client and server principals */
     if (!krb5_timeofday (ctx,&now) &&
 	/* Normally, kerb_cp_svr_name (defined/set in env_unix.c) is NIL, so