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

Florian Schaal

2013-12-24 fbeb11d1d0f491cd4b9a9d730fdc720e758ae26d

1
ALTER TABLE `shell_user` CHANGE `ssh_rsa` `ssh_rsa` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '';