Don't give parent to worker in httpdownload (fixes #301)
Don't give parent to worker in httpdownload (fixes #301)

MKV21/glimpse_client,HSAnet/glimpse_client,HSAnet/glimpse_client,MKV21/glimpse_client,HSAnet/glimpse_client,MKV21/glimpse_client,HSAnet/glimpse_client,MKV21/glimpse_client,MKV21/glimpse_client,HSAnet/glimpse_client