enable ip send for FreeDNS DynDNS update
enable ip send for FreeDNS DynDNS update

without this, only legacy IP records get updated correctly.

redmi ticket: https://redmine.pfsense.org/issues/8924

pfsense/pfsense,dennypage/pfsense,pfsense/pfsense,dennypage/pfsense,phil-davis/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,dennypage/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,dennypage/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,pfsense/pfsense,pfsense/pfsense