Fix SMTP monitor check in upgrade code, too.
Fix SMTP monitor check in upgrade code, too.

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