fix set owner of .sieve symlink

Carsten Schoene

2014-01-01 4f69fb7ec603b780c9b4fa575bbc74e0507ceea3

 install/sql/incremental/upd_0011.sql

New file
@@ -0,0 +1,2 @@
-- use text for groups
ALTER TABLE `sys_user` CHANGE `groups` `groups` TEXT;