commit x64 compilation from lulu cause the other branch dont seems to compile properly at home

include/engine/scene3d/mlight.cpp

@@ -0,0 +1,27 @@
+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+		#include "scene3d/mlight.h"
+		#include "scene3d/scene_message.h"
+
+		using namespace GS::S3D;
+
+
+//------------------------------------------------------------------------------
+bool				MLight::isActive() const
+{
+	if	((diffuse_intensity <= 0.01f) && (specular_intensity <= 0.01f))
+		return false;
+	return MItem::isActive();
+}
+//------------------------------------------------------------------------------
+
+MLight::MLight()
+{
+	item_type = Type_Light;
+	mitem = (void *)((MItem *)this);
+	priority = 1.f;
+}