More fixes to differentiate between v4 and v6 gateways on the same interface.
More fixes to differentiate between v4 and v6 gateways on the same interface.

ptorsten/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,NewEraCracker/pfsense,pfsense/pfsense,brunostein/pfsense,dennypage/pfsense,NOYB/pfsense,pfsense/pfsense,ch1c4um/pfsense,jxmx/pfsense,dennypage/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,jxmx/pfsense,NOYB/pfsense,NewEraCracker/pfsense,brunostein/pfsense,ch1c4um/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,pfsense/pfsense,ch1c4um/pfsense,jxmx/pfsense,phil-davis/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,dennypage/pfsense,NOYB/pfsense