 edit.php show an error on opening an empty file
 edit.php show an error on opening an empty file

 Ticket #1519

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