MDS: Remove inappropriate assert from _logged_slave_rename.
MDS: Remove inappropriate assert from _logged_slave_rename.

The slave also can hold some auth pins from locks which the
master has asked it to grab. It's possible we can intelligently
determine how many, but for now just drop the assert.

Signed-off-by: Greg Farnum <0bcb4295d38ee745130ea5f2bb88ef4eef474e61@dreamhost.com>
Signed-off-by: Sage Weil <c5b6ff1fd4f0bde10db63d7a3e07166cf6c4229f@dreamhost.com>

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