Updated openstack/openstack
Project: openstack/neutron  75a378b4b5bf3f62a7f1772588a5943a786bccbb

Fix protocol value for SG IPV6 RA rule

The ingress SG rule for RA has a wrong value for protocol
field.

Change-Id: I4d3bca4b758540cf857eb13d36ee18f8ebc28272
Closes-Bug: #1312392