fruux/sabre-dav — pull request #517 by mattes (2014-09-14 18:31:12+00:00)
Title: Fix foreign key in postgresql schema

I fixed the foreign key ``groupmembers_member_id_id_fkey``.

See https://github.com/fruux/sabre-dav/blob/master/lib/DAVACL/PrincipalBackend/PDO.php#L310
`` ON groupmembers.member_id = principals.id``