Fix wrong scene assigned when using sets

Depsgraph was left with wrong set-scene.

source/blender/depsgraph/intern/builder/deg_builder_relations_scene.cc

@@ -70,13 +70,13 @@ namespace DEG {
 
 void DepsgraphRelationBuilder::build_scene(Main *bmain, Scene *scene)
 {
-	/* XXX store scene to access from DAG_get_scene */
-	m_graph->scene = scene;
-
 	if (scene->set) {
 		build_scene(bmain, scene->set);
 	}
 
+	/* XXX store scene to access from DAG_get_scene */
+	m_graph->scene = scene;
+
 	/* scene objects */
 	FOREACH_SCENE_OBJECT(scene, ob)
 	{