Remove unused variable.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@6223 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/vorbis.c

@@ -1693,7 +1693,7 @@ static int vorbis_decode_frame(AVCodecContext *avccontext,
     vorbis_context *vc = avccontext->priv_data ;
     GetBitContext *gb = &(vc->gb);
 
-    int_fast16_t i, len;
+    int_fast16_t len;
 
     if(!buf_size){
         return 0;