nat, portforwards should not make up a new destination information when a configured dhcp interface does not currently have an address.
nat, portforwards should not make up a new destination information when a configured dhcp interface does not currently have an address.

fixes: https://forum.pfsense.org/index.php?topic=127585.msg733528#msg733528

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