Fix typo so that vorbis builds again.
Fix typo so that vorbis builds again.

svn path=/trunk/vorbis/; revision=11148

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