Issue #3872: Fixed syntax incompatibility with old PHP versions.

Till Brehm

2016-05-26 7de9c4d3213536399c1b4eb794f9e668f4084752

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