Fix "empty" ACL entry when there's "User, " in user input field

Aleksander Machniak

2013-01-29 b61041e655d122139b9bf75a85b170a15eaeb48e

 plugins/acl/acl.php

@@ -441,7 +441,7 @@
            if (!empty($this->specials) && in_array($user, $this->specials)) {
                $username = $this->gettext($user);
            }
            else {
            else if (!empty($user)) {
                if (!strpos($user, '@') && ($realm = $this->get_realm())) {
                    $user .= '@' . rcube_utils::idn_to_ascii(preg_replace('/^@/', '', $realm));
                }