Change fpin to stdin
Change fpin to stdin

svn path=/trunk/vorbis/; revision=2063

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