Updated openstack/openstack
Project: openstack-dev/devstack  535e0089e0656fd4fcaa36ad5abc3653a9a45ff0
null
Use lowercase section name in Neutron ML2 security group config

All other security group configs in Neutron are lower-case
and it should be consistent.

Change-Id: I683333c1e186446a69172446cca6d9b952673ed4
Closes-Bug: #1279862