[Ohrrpgce] Mac app bundles build on Windows crash on Mac

[James Paige]

I was almost finished releasing beelzebufo, when I was puzzled and 
displayed to discover that Mac App game bundles build on Windows do not 
work. If you build them on mac, they work fine.

Here is the crash message:

http://pastebin.com/jhu5H4b8

It looks like the problem has something to do with the SDL framework, 
but I don't understand how this would fail on windows because there are 
no more symlinks.

---
James