Windows: SetDispositionInfo vs Link Count

When SetDispositionInfo is called to mark a file for pending
delete the link count should not be decrememented.  The count is
decremented only when the file is actually deleted.

Reviewed-on: http://gerrit.openafs.org/11508
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit c90c5e97c6361e06ff06aab02d0768a0bd43354d)

Change-Id: I365d0e0388f6cac23aca64b06e9c6e6a61e97d04
Reviewed-on: http://gerrit.openafs.org/11520
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>