NSS: Ignore default_domain for netgroups
https://fedorahosted.org/sssd/ticket/2400
Netgroups often have members that will not process correctly when we
require a fully-qualified name. This patch simply ignores the
default_domain setting for netgroup lookups - we ignore FQDN only
domains for netgroup lookups since
1933ff17513da1d979dd22776a03478341ef5e6b anyway.
Reviewed-by: Pavel Březina <pbrezina@redhat.com>
(cherry picked from commit e6d441518531e7931e29dd8c65a3448a213e3865)