vhost quota not correctly pointing to document root (DF -T) (fixes #3984)

Pascal Dreissen

2016-07-08 a481a62a13c241df0b3269f7f915789f4451d51b

1
ALTER TABLE `shell_user` CHANGE `ssh_rsa` `ssh_rsa` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;