http://bugs.winehq.org/show_bug.cgi?id=23922
--- Comment #5 from Jeff Zaroyko jeffz@jeffz.name 2010-08-05 19:22:44 --- from your log:
err:mmdevapi:MMDevEnum_Create OpenAL support not compiled in, application will not find sound devices
There's the problem. You need to have a relatively new version of openal-soft and build wine against it.