Audio branch, Mac: SDL now built with audio enabled.
Audio branch, Mac: SDL now built with audio enabled.

svn path=/branches/audio/; revision=2673

hoodie/libavg,libavg/libavg,yyd01245/libavg,hoodie/libavg,libavg/libavg,th3infinity/libavg,yyd01245/libavg,scotty007/libavg,libavg/libavg,hoodie/libavg,th3infinity/libavg,hoodie/libavg,th3infinity/libavg,yyd01245/libavg,libavg/libavg,th3infinity/libavg,yyd01245/libavg,scotty007/libavg,scotty007/libavg,scotty007/libavg