Updated openstack/openstack
Project: openstack/keystone  857667e88e497e73852880be5b8e306036f01a8a

Correct typos in keystone/common/base64utils.py docstrings

Closes-bug: #1366649
Change-Id: Ic3f4a3eb9da303a4da7d532f02f6c6e82a725924