Add missing semicolon in Math3Node

examples/js/nodes/math/Math3Node.js

@@ -44,7 +44,7 @@ THREE.Math3Node.prototype.generate = function( builder, output ) {
 	var a, b, c,
 		al = builder.getFormatLength( this.a.getType( builder ) ),
 		bl = builder.getFormatLength( this.b.getType( builder ) ),
-		cl = builder.getFormatLength( this.c.getType( builder ) )
+		cl = builder.getFormatLength( this.c.getType( builder ) );
 
 	// optimzer