Windows: Freelance Do not chase mount points

When adding mount points or symlinks do not chase mount points
when attempting to determine the FID of the added object.

Change-Id: Ic4e070d687cc56407a19c41f185f3e28db7671bd
Reviewed-on: http://gerrit.openafs.org/10298
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>