Fix test of preferoldsa to check the proper variable name.
Fix test of preferoldsa to check the proper variable name.

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