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  `mail_user` ADD  `autoresponder_subject` VARCHAR(255) NOT NULL DEFAULT 'Out of office reply' AFTER  `autoresponder_end_date`;