check if $auth is set in editorinfo() FS#1636

darcs-hash:20090306185717-7ad00-64bc35049667483988dcc3f5b8128f8a5f7f8fe7.gz

inc/common.php

@@ -1376,7 +1376,7 @@ function editorinfo($username){
       case 'username':
       case 'email':
       case 'email_link':
-        $info = $auth->getUserData($username);
+        if($auth) $info = $auth->getUserData($username);
         break;
       default:
         return hsc($username);