(gss_userok): create a local krb5_context and use that instead of the libgssapi context (that might not exist).
(gss_userok): create a local krb5_context and use that instead of the
libgssapi context (that might not exist).


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@17690 ec53bebd-3082-4978-b11e-865c3cabbd6b

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