raceintospace/raceintospace — pull request #86 by willglynn (2012-12-28 14:35:34+00:00)
Title: Move Windows audio driver selection to Windows platform file

`SDL_AUDIODRIVER=waveout` is valid only on Win32, according to:
http://www.libsdl.org/docs/html/sdlenvvars.html

A cursory examination of `SDL_putenv()` suggests that it is safe to invoke in this context, even before SDL has been initialized. Therefore, we can set the audio device in the platform-specific main() implementation.