Fix extra http://
Fix extra http://

Change-Id: Ib1f04b5c0310890bf75bf89c54a87f71342af2e0

BUG=1434
TEST=Tested with factory.

Review URL: http://codereview.chromium.org/3785009

coreos/dev-util,coreos/dev-util,marineam/coreos-dev-util,coreos/dev-util,marineam/coreos-dev-util,mgireesh05/dev-util,mgireesh05/dev-util,mgireesh05/dev-util