Fix firmware upgrade.  This now works again on mini_httpd.
Fix firmware upgrade.  This now works again on mini_httpd.

This is considered temporary until we can fix lighty to work correctly.

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