- Fix PHP notice (killes)

modules/user.module

@@ -328,6 +328,7 @@ function user_access($string, $account = NULL) {
   if (!isset($perm[$account->uid])) {
     $result = db_query('SELECT DISTINCT(p.perm) FROM {role} r INNER JOIN {permission} p ON p.rid = r.rid INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid = %d', $account->uid);
 
+    $perm[$account->uid] = '';
     while ($row = db_fetch_object($result)) {
       $perm[$account->uid] .= "$row->perm, ";
     }

modules/user/user.module

@@ -328,6 +328,7 @@ function user_access($string, $account = NULL) {
   if (!isset($perm[$account->uid])) {
     $result = db_query('SELECT DISTINCT(p.perm) FROM {role} r INNER JOIN {permission} p ON p.rid = r.rid INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid = %d', $account->uid);
 
+    $perm[$account->uid] = '';
     while ($row = db_fetch_object($result)) {
       $perm[$account->uid] .= "$row->perm, ";
     }