Add in mac and macosx subdirs correctly (so make dist works)
Add in mac and macosx subdirs correctly (so make dist works)

svn path=/trunk/vorbis/; revision=3509

ksophocleous/vorbis,nicolaichuk/vorbis,ShiftMediaProject/vorbis,emscripten-ports/Vorbis,nicolaichuk/vorbis,ShiftMediaProject/vorbis,eidy/vorbis,emscripten-ports/Vorbis,ksophocleous/vorbis,mwgoldsmith/vorbis,ShiftMediaProject/vorbis,nicolaichuk/vorbis,erikd/vorbis,felipebetancur/vorbis,youfearm3/vorbis,ksophocleous/vorbis,eidy/vorbis,erikd/vorbis,emscripten-ports/Vorbis,mwgoldsmith/vorbis,nicolaichuk/vorbis,youfearm3/vorbis,ShiftMediaProject/vorbis,ksophocleous/vorbis,felipebetancur/vorbis,ShiftMediaProject/vorbis,eidy/vorbis,mwgoldsmith/vorbis,emscripten-ports/Vorbis,youfearm3/vorbis,eidy/vorbis,erikd/vorbis,mwgoldsmith/vorbis,felipebetancur/vorbis,youfearm3/vorbis,felipebetancur/vorbis,ShiftMediaProject/vorbis,erikd/vorbis