Updated example to latest StereoEffect API.

examples/webgl_effects_stereo.html

@@ -125,7 +125,7 @@
 				container.appendChild( renderer.domElement );
 
 				effect = new THREE.StereoEffect( renderer );
-				effect.separation = 10;
+				effect.eyeSeparation = 10;
 				effect.setSize( window.innerWidth, window.innerHeight );
 
 				//