mds: fix straydn->first part deux
mds: fix straydn->first part deux

9ed0c30ecf6611193db52e1facc1f46b37f04bc4 forgot to remove the old code.

ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph,ajnelson/ceph