Fix a comment typo.
Fix a comment typo.

svn path=/trunk/ogg/; revision=18052

felipebetancur/ogg,xiph/ogg,youfearm3/ogg,mwgoldsmith/ogg,mwgoldsmith/ogg,youfearm3/ogg,felipebetancur/ogg,brion/ogg,ShiftMediaProject/ogg,ksophocleous/ogg,eidy/libogg,nicolaichuk/ogg,emscripten-ports/Ogg,xiph/ogg,brion/ogg,nicolaichuk/ogg,ShiftMediaProject/ogg,eidy/libogg,ksophocleous/ogg,emscripten-ports/Ogg