Fixed #3979 Mailbox users unable to save autoresponders

Till Brehm

2016-07-24 b9a3ef486ebcde18a5ade37865ff8f397185d24f

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;