(mcc_get_principal): also check for primary_principal == NULL now that

that isn't used as dead flag


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13418 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/mcache.c

@@ -256,9 +256,8 @@ mcc_get_principal(krb5_context context,
 {
     krb5_mcache *m = MCACHE(id);
 
-    if (MISDEAD(m))
+    if (MISDEAD(m) || m->primary_principal == NULL)
 	return ENOENT;
-
     return krb5_copy_principal (context,
 				m->primary_principal,
 				principal);