Converted the instance of osgNew and osgDelete back to new and delete as part

of depecating the include/osg/MemoryManager

src/osgPlugins/osg/LightModel.cpp

@@ -15,7 +15,7 @@ bool LightModel_writeLocalData(const Object& obj, Output& fw);
 // register the read and write functions with the osgDB::Registry.
 RegisterDotOsgWrapperProxy g_LightModelProxy
 (
-    osgNew osg::LightModel,
+    new osg::LightModel,
     "LightModel",
     "Object StateAttribute LightModel",
     &LightModel_readLocalData,