tests: fix memory leak in virtio-scsi-test

vs is allocated in qvirtio_scsi_pci_init() and never freed.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

tests/virtio-scsi-test.c

@@ -64,6 +64,7 @@ static void qvirtio_scsi_pci_free(QVirtIOSCSI *vs)
     qvirtio_pci_device_disable(container_of(vs->dev, QVirtioPCIDevice, vdev));
     g_free(vs->dev);
     qpci_free_pc(vs->bus);
+    g_free(vs);
 }
 
 static uint64_t qvirtio_scsi_alloc(QVirtIOSCSI *vs, size_t alloc_size,