added missing lang-string for mail_user_filter_edit

cfoe

2012-05-24 0ce0fdbef0940e4408abc8a717d8321dae0e191c

 interface/web/monitor/tools.inc.php

@@ -314,7 +314,7 @@
      }
      else {
         $data = unserialize($record['data']);
         $html .= nl2br($data['output']);
         $html .= nl2br(html_entity_decode($data['output']));
      }
      $html .= '</div></div>';
   } else {