(krb5_get_init_creds_password): if prompter is NULL, don't try to ask

for a password to change. reported by Iain Moffat @ ufl.edu via Howard
Chu <hyc@highlandsun.com>


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11888 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/init_creds_pw.c

@@ -452,6 +452,9 @@ krb5_get_init_creds_password(krb5_context context,
 	case KRB5KDC_ERR_KEY_EXPIRED :
 	    /* try to avoid recursion */
 
+	    if (prompter == NULL)
+		goto out;
+
 	    krb5_clear_error_string (context);
 
 	    if (in_tkt_service != NULL