Updated openstack/openstack
Project: openstack-dev/devstack  2dab788c85c4cc03142e3ae8c56adf5c775680e4

Remove hardcoded protocol from backup_swift_url

Use SWIFT_SERVICE_PROTOCOL when configuring backup_swift_url for
cinder configuration.

Change-Id: I09de62e8deca86b473cee969ba2c5919d4f9892d
Closes-Bug: #1393554