Add missing semicolon in webgl_depth_texture

examples/webgl_depth_texture.html

@@ -196,7 +196,7 @@
 
         // Setup some geometries
         var geometry = new THREE.TorusKnotGeometry(1, 0.3, 128, 64);
-        var material = new THREE.MeshBasicMaterial({ color: 'blue' })
+        var material = new THREE.MeshBasicMaterial({ color: 'blue' });
 
         var count = 50;
         var scale = 5;