emulators/wine: Allow choosing between OSS and ALSA
Backport ce1e733047cfa6bdea3d1bfb767814c7fa2a9809 and
2895c1dc9c4efbdfaff99db514569da9ca2223b1 from wine-devel:
Our Wine ports have solely relied on OSS for sound so far. Add support to optionally switch to ALSA by establishing two options, OSS and ALSA. This does not change default behavior (and packages created), rather it adds the ability to choose. It particularly may prove beneficial for USB MIDI keyboards.
Submitted by: hselasky