A previous commit broke downloads
when proxies are involved, let's fix it.
(From OE-Core rev: 97e263b99cbe8184a74f80738fd471cfdef29e0c)
Signed-off-by: Stefan Stanacar <stefanx.stanacar@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>