re-add rewrite ipv6 on mirror - lost in conversion from SVN to git

Florian Schaal

2013-12-24 fbeb11d1d0f491cd4b9a9d730fdc720e758ae26d

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