Updated openstack/openstack
Project: openstack/python-openstackclient  57364804f612f47518210fdb4a89472eca4fbd30

Add environment variable in the os-auth-type help

Help for option --os-auth-type doesn't specify what environment variable
configures it. This patch fixes that.

Change-Id: Id2e29e477d5ca56339bd777fb73b5af13788615b