Fix #3209 properly
Fix #3209 properly

The small change I made previously was not all of it - but it did avoid the previous problem by (accidentally) referring to the (undefined) $a_vlan array! I should actually pay more attention to the detail.
This should be even better :)
dennypage/pfsense,pfsense/pfsense,NewEraCracker/pfsense,dennypage/pfsense,NewEraCracker/pfsense,jxmx/pfsense,dennypage/pfsense,ch1c4um/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,NOYB/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,ptorsten/pfsense,brunostein/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,ch1c4um/pfsense,phil-davis/pfsense,pfsense/pfsense,NOYB/pfsense,ch1c4um/pfsense,dennypage/pfsense,ptorsten/pfsense,pfsense/pfsense,brunostein/pfsense,pfsense/pfsense,jxmx/pfsense,ch1c4um/pfsense,brunostein/pfsense