Fix glib_subprocess test A typo means that the tests dependent on glib with subprocess support are never run. Fixes: 9d41401b90fa10b335d2e739149d36437cfbf622 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>