Remove unnecessary comma in webgl_clipping_advanced

examples/webgl_clipping_advanced.html

@@ -134,10 +134,11 @@
 				],
 
 				Indices = [
-					0, 1, 2,	0, 2, 3,	0, 3, 1,	1, 3, 2 ],
+					0, 1, 2,	0, 2, 3,	0, 3, 1,	1, 3, 2
+				],
 
 				Planes = planesFromMesh( Vertices, Indices ),
-				PlaneMatrices = Planes.map( planeToMatrix );
+				PlaneMatrices = Planes.map( planeToMatrix ),
 
 				GlobalClippingPlanes = cylindricalPlanes( 5, 3.5 ),