Update download.h
Update download.h
MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS,MicBrain/GSoC_CernVM-FS