Fix Vorbis encoder Xiph dependency by making sure the references to ff_split_xiph_headers() are there.
Fix Vorbis encoder Xiph dependency by making sure the references to
ff_split_xiph_headers() are there.


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@8978 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg