libavcodec/opus_silk.c:813: error: Uninitialized Value
  The value read from k was never initialized.

libavcodec/opus_silk.c:813:20: 
811.             /* repel away from lower bound */
812.             nlsf[0] = min_delta[0];
813.         } else if (k == order) {
                        ^
814.             /* repel away from higher bound */
815.             nlsf[order-1] = 32768 - min_delta[order];
