[aquaria] beta3 sound problems

[Ryan C. Gordon]

> This is on Ubuntu 9.04 64-bit, on a Mac mini (Geforce 9400).

It's a bug in the PulseAudio that ships with Ubuntu 9.04. Upgrading to 
9.10 fixes it, or you can replace the OpenAL library like you did, or 
you can export SDL_AUDIODRIVER to "alsa".

--ryan.