Fixed PHP warning when no IDN filters are set for field in lists.

Till Brehm

2015-11-14 cc636e1a8ed430f060766e22cbdfeaa8de4afbc3

 interface/web/sites/lib/lang/cz_database_admin_list.lng

@@ -9,3 +9,4 @@
$wb['sys_groupid_txt'] = 'Klient';
$wb['parent_domain_id_txt'] = 'Webové stránky';
?>