Comment 1 for bug 1816793

Reviewed: https://review.openstack.org/630085
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=175aaa879d8b940d800e1b96e8871bd350798038
Submitter: Zuul
Branch: master

commit 175aaa879d8b940d800e1b96e8871bd350798038
Author: zhurong <email address hidden>
Date: Fri Jan 11 16:30:01 2019 +0800

    Fix version return incorrect when endpoint url end without /

    when request to cinder endpoint url end without /
    $ curl http://127.0.0.1/volume
    the version herf return incorrect, like below:
    "href": "http://127.0.0.1/v2/"
    "href": "http://127.0.0.1/v3/"
    This patch will always add a '/' to the endpoint url end.

    Closes-bug: #1816793
    Change-Id: I6b0f47fc5b11c44a767e0ebfe2929e560c5f5432