- Fixed FS#2765 - Rename DNS zone make new file, but old is not deleted.

ftimme

2013-03-19 f353d3c7a464e2047eef93d444db13d9e69aec5c

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