

Not really a bugfix, but 'correct' the confusing ilog2 which looks broken

svn path=/trunk/vorbis/; revision=3653

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