Fix the check for whether the bridge is assigned.
Fix the check for whether the bridge is assigned.

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