Windows: include KAFS when building kuser
Windows: include KAFS when building kuser

if NO_AFS is not defined include the KAFS library when
building kuser.   the KAFS library does not yet build on
Windows but will in the future.

Change-Id: If2a6c7279d6166cc0f4c49d36f3fa54ad7d19d87

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal