MFC 7667 Fix wpa_supplicant startup issue and fix macaddress filtering backend function (ticket 684).
MFC 7667
Fix wpa_supplicant startup issue and fix macaddress filtering backend function (ticket 684).

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