HaxeFlixel/flixel — pull request #949 by mrcdk (2014-03-20 23:54:35+00:00)
Title: Fixes the Null error in Haxe 3.1+ when using a FlxAtlas 

And compiling to a cpp target.

It seems to be a Haxe 3.1+ compiler bug, but in the mean time this fixes it. The same error can't be reproduced in Haxe 3.0.