Updated openstack/openstack
Project: openstack/nova  6bbeff65af698984ddf58418057ea815b972608f

Correct seconds of a day from 84400 to 86400

Correct a day to 86400 seconds which is used by API rate limit config
Closes-bug: #1357152

Change-Id: Ieceacd00f02b6ed27032cc0ac2f55be8b976a070