bugfix. bm->avg_binacc wasn't initialised to known values (and was used without setting these). So zero it.
bugfix. bm->avg_binacc wasn't initialised to known values (and was used without
setting these). So zero it.

svn path=/trunk/vorbis/; revision=3389

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