(krb5_get_in_tkt): for compatibility with with the mit implemtation, don't free `creds' argument when done, its up the the caller to do that, also allow a NULL ccache.
(krb5_get_in_tkt): for compatibility with with the mit implemtation,
don't free `creds' argument when done, its up the the caller to do
that, also allow a NULL ccache.


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@12561 ec53bebd-3082-4978-b11e-865c3cabbd6b

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