Revert "disable _gsskrb5_pname_to_uid, there's no aname_to_localname"
Revert "disable _gsskrb5_pname_to_uid, there's no aname_to_localname"

This reverts commit ad69ac97b13c279a28f205e41b227942f2da8993.

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