qom: object: delete properties before calling instance_finalize

This ensures that the children's unparent callback will still
have a usable parent.

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qom/object.c b/qom/object.c
index 0e8267b..f301bc2 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -418,8 +418,8 @@
     Object *obj = data;
     TypeImpl *ti = obj->class->type;
 
-    object_deinit(obj, ti);
     object_property_del_all(obj);
+    object_deinit(obj, ti);
 
     g_assert(obj->ref == 0);
     if (obj->free) {