vfs: Fix parentheses in SMB_VFS_NEXT_DURABLE_COOKIE

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
s3/time_audit: Add offline and durable functions

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Oct 12 13:00:02 CEST 2013 on sn-devel-104