Handle 0's a little more gracefully to avoid:
Handle 0's a little more gracefully to avoid:

php: : RRD restore failed exited with 0, the error is:

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