Updated openstack/openstack
Project: openstack/trove  5cbb432851a9dfc0dbc80c5d4c3a6a2f12d1c976
null
Add default case for mysqld_bin

If mysqld_bin isn't found, there are bigger
problems, but the unit tests fail, citing mysqld_bin
being referenced before assignment.

Change-Id: If570c9863ea703fb35ff4faa075130c14a8c8f23