Lensflares example: Restored alpha: true.

examples/webgl_lensflares.html

@@ -149,7 +149,7 @@
 
 				// renderer
 
-				renderer = new THREE.WebGLRenderer( { antialias: true } );
+				renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 				container.appendChild( renderer.domElement );