[fixes phaserjs#3482] HueToComponent was not correctly exporting itself

Pretty self explanatory -- `module.export` is a typo, needed to be `exports`. Filed associated bug phaserjs#3482.

Author: jdotrjs

src/display/color/HueToComponent.js

@@ -47,4 +47,4 @@ var HueToComponent = function (p, q, t)
     return p;
 };
 
-module.export = HueToComponent;
+module.exports = HueToComponent;