libqos: use generic qtest_shutdown()

Machine specific shutdown function can be registered by
the machine specific qtest_XXX_boot() if needed.

So we will not have to test twice the architecture (on boot and on
shutdown) if the test can be run on several architectures.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
diff --git a/tests/libqos/libqos-spapr.c b/tests/libqos/libqos-spapr.c
index 333e6fb..a37791e 100644
--- a/tests/libqos/libqos-spapr.c
+++ b/tests/libqos/libqos-spapr.c
@@ -8,6 +8,7 @@
     .uninit_allocator = spapr_alloc_uninit,
     .qpci_init = qpci_init_spapr,
     .qpci_free = qpci_free_spapr,
+    .shutdown = qtest_spapr_shutdown,
 };
 
 QOSState *qtest_spapr_vboot(const char *cmdline_fmt, va_list ap)
@@ -29,5 +30,5 @@
 
 void qtest_spapr_shutdown(QOSState *qs)
 {
-    return qtest_shutdown(qs);
+    return qtest_common_shutdown(qs);
 }