Updated openstack/openstack
Project: openstack/heat  92fc3468ca324d877633feca9b45b4954dff9af7

Fix package name when using heat-db-setup in rhel7

In rhel7 mysql-server is replaced by mariadb-server, using
the right name to install package.

Closes-Bug: #1395726
Change-Id: I02e79a6f8da5bd082568c22d3efc4c231dfbd8c7