CubeCamera: Updated for refactored RenderTarget.

src/cameras/CubeCamera.js

@@ -50,9 +50,9 @@ THREE.CubeCamera = function ( near, far, cubeResolution ) {
 		if ( this.parent === null ) this.updateMatrixWorld();
 
 		var renderTarget = this.renderTarget;
-		var generateMipmaps = renderTarget.generateMipmaps;
+		var generateMipmaps = renderTarget.texture.generateMipmaps;
 
-		renderTarget.generateMipmaps = false;
+		renderTarget.texture.generateMipmaps = false;
 
 		renderTarget.activeCubeFace = 0;
 		renderer.render( scene, cameraPX, renderTarget );
@@ -69,7 +69,7 @@ THREE.CubeCamera = function ( near, far, cubeResolution ) {
 		renderTarget.activeCubeFace = 4;
 		renderer.render( scene, cameraPZ, renderTarget );
 
-		renderTarget.generateMipmaps = generateMipmaps;
+		renderTarget.texture.generateMipmaps = generateMipmaps;
 
 		renderTarget.activeCubeFace = 5;
 		renderer.render( scene, cameraNZ, renderTarget );