vhost-user-bridge isn't actually a test, it's just a helper
(that should probably move somewhere else) - but the build was
broken in the qtest move.
Fixes: 833884f37a
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200117122648.137862-1-dgilbert@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>