added missing lang-string for mail_user_filter_edit

cfoe

2012-05-24 0ce0fdbef0940e4408abc8a717d8321dae0e191c

 interface/web/admin/users_list.php

@@ -45,6 +45,7 @@
$app->auth->check_module_permissions('admin');

$app->uses('listform_actions');
$app->listform_actions->SQLOrderBy = 'ORDER BY username';
$app->listform_actions->onLoad();