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

of depecating the include/osg/MemoryManager

src/osgPlugins/osg/Light.cpp

@@ -18,7 +18,7 @@ bool Light_writeLocalData(const Object& obj, Output& fw);
 // register the read and write functions with the osgDB::Registry.
 RegisterDotOsgWrapperProxy g_LightProxy
 (
-    osgNew osg::Light,
+    new osg::Light,
     "Light",
     "Object StateAttribute Light",
     &Light_readLocalData,