add validation via validate_ipv4_list to interfaces.inc
add validation via validate_ipv4_list to interfaces.inc

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