libavcodec/flac.c:371: error: Uninitialized Value
  The value read from coeffs[_] was never initialized.

libavcodec/flac.c:371:17: 
369.             for (j = pred_order-1; j > 0; j--)
370.             {
371.                 c = coeffs[j];
                     ^
372.                 s0 += c*d;
373.                 d = decoded[i-j];
