Windows: cm_NameI Freelance Eval of Absolute Symlinks

Windows: cm_NameI Freelance Eval of Absolute Symlinks

In cm_NameI() it is possible that a symlink to an absolute path
is reached for which the component after the 'mountRoot' is not
present in the mountRoot directory.  If the mountRoot is the
Freelance root.volume then it is appropriate to attempt automatic
cell resolution.

Change-Id: I806c6d4332e5e7b76a9ce2d02977d0caef612e3c
Reviewed-on: http://gerrit.openafs.org/8763
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>