* Move a large portion of code from audio_SetTrackVals into sound_SetTrackVals (audio_SetTrackVals only checks whether sound is enabled now, the rest of the job is entirely delegated to sound_SetTrackVals)
git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@2084 4a71c877-e1ca-e34f-864e-861f7616d084