replace internal module to namespace

threejs/three-css3drenderer.d.ts

@@ -8,7 +8,7 @@
 
 /// <reference path="./three.d.ts" />
 
-declare module THREE {
+declare namespace THREE {
     class CSS3DObject extends Object3D {
         constructor(element: any);
 
@@ -29,4 +29,4 @@ declare module THREE {
         setSize(width: number, height: number): void;
         render(scene: THREE.Scene, camera: THREE.Camera): void;
     }
-}
+}