fixed nginx-startup errors on systems with net.ipv6.bindv6only=0

Florian Schaal

2016-03-08 3279f891ed89470b09fe9137970ca86fa5c50d5d

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