--- mount_nfs.c.old     Thu Jun 22 12:06:24 2006
+++ mount_nfs.c Thu Jun 22 14:13:26 2006
@@ -900,7 +900,7 @@
                for (i = 0; i < authcnt; i++) {
                        if (!xdr_long(xdrsp, &auth))
                                return (0);
-                       if (auth == np->auth)
+                       if (auth == np->auth || RPCAUTH_NULL == auth)
                                authfnd++;
                }
                /*