Windows: avoid deadlock TreeLock vs Fcb Resource

Windows: avoid deadlock TreeLock vs Fcb Resource

Cannot call AFSPerformObjectInvalidate directly because
ObjectInfoCB->Specific.Directory.DirectoryNodeHdr.TreeLock is
held during the sequence

  AFSVerifyEntry->AFSValidateDirectoryCache->AFSVerifyDirectoryContent

and AFSPerformObjectInvalidate requires the Fcb->NPFcb->Resource
which must be held prior to the TreeLock.

Change-Id: I337f52e2927c8e5ae2d218867987625c3240a792
Reviewed-on: http://gerrit.openafs.org/7423
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>