Fix handling of 0-byte files uploaded to the CP file manager.
Fix handling of 0-byte files uploaded to the CP file manager.

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