Updated openstack/openstack
Project: openstack/glance  2bab8923741ec59760e3ce9c6446848377d9e46a

Add documentation for a new storage file permissions option

This patch adds a detailed description for filesystem_store_file_perm option which
was added in https://review.openstack.org/#/c/119529.

Change-Id: Ia567b9d56891940a8170d67d95c1cb318545094e