Make sure existing entries can be found by userid
Make sure existing entries can be found by userid

A typo in LDAP__lookup_princ makes using existing LDAP entries broken,
a new entry is always created even if an entry with proper uid and
structural objectclass can be found.

Signed-off-by: Love Hornquist Astrand <c5e2f0824a6b8bf7ea1d693b4c00a7e90e09ef7a@h5l.org>

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