Fix error when no updates are available.
Fix error when no updates are available.

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