Fixed #3835 Delete MailBackup not working - Log shows a warning about SQL I...

Till Brehm

2016-04-20 86853d4d0fd66c277746e9e0cf07fbecbfbbc362

1
ALTER TABLE `ftp_user` ADD `expires` datetime NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER `dl_bandwidth` ;