Updated vorbis.m4 which checks for rc3+ functions, from thomasvs.
Updated vorbis.m4 which checks for rc3+ functions, from thomasvs.

svn path=/trunk/vorbis/; revision=3376

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