Fixed MANTIS-4448 (Don't wait until a batch time allocation if a small batch sent)

            }

            $GLOBALS['SITE_DB']->query('DELETE FROM ' . get_table_prefix() . 'newsletter_drip_send WHERE ' . $id_list, null, null, false, true);

        }

        if (count($to_send) < $mails_per_send) {

            // Don't make us wait if we aren't filling the buffer

            set_value('last_newsletter_drip_send', strval($time - $minutes_between_sends * 60), true);

        }

    }

}