Merge pull request phaserjs#648 from keyle/patch-1

Fixed typo in typescript defs

Author: photonstorm

build/phaser.d.ts

@@ -3346,7 +3346,7 @@ declare module Phaser {
         remove(plugin: Phaser.Plugin): void;
         removeAll(): void;
         render(): void;
-        update(); void;
+        update(): void;
 
     }