Fix mailuser logins for systems with cutom mailuser logins.

Till Brehm

2014-09-01 285cfb7843aa4345e7e13854e6d79e4c11590269

 interface/web/login/index.php

@@ -160,7 +160,7 @@
               } else {
                  if(stristr($username, '@')) {
                     //* mailuser login
                     $sql = "SELECT * FROM mail_user WHERE login = '$username'";
                     $sql = "SELECT * FROM mail_user WHERE login = '$username' or email = '$username'";
                     $mailuser = $app->db->queryOneRecord($sql);
                     $user = false;
                     if($mailuser) {