- fixed some typos in sql queries

interface/lib/classes/auth.inc.php

interface/lib/classes/custom_datasource.inc.php

interface/lib/classes/remote.d/client.inc.php

interface/web/client/client_del.php

interface/web/client/domain_edit.php

interface/web/login/index.php

interface/web/mail/xmpp_user_edit.php

interface/web/sites/cron_edit.php

interface/web/sites/database_edit.php