libavcodec/vorbis_enc.c:693: error: Uninitialized Value
  The value read from averages[_] was never initialized.

libavcodec/vorbis_enc.c:693:9: 
691.     for (i = 0; i < fc->values; i++) {
692.         int position = fc->list[fc->list[i].sort].x;
693.         float average = averages[i];
             ^
694.         int j;
695. 
