Update download.cc
Update download.cc
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