Windows: avoid deadlock during SetRenameInformation

Windows: avoid deadlock during SetRenameInformation

The VolumeLock must be held before the Fcb->NPFcb->Resource.
Obtain the VolumeLock in AFSSetFileInformation only in the
rename case instead of obtaining the VolumeLockin AFSSetRenameInformation.

Change-Id: I84f086e3a8f7d08630266c9e409e1e22c1f92742
Reviewed-on: http://gerrit.openafs.org/6377
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>