libavcodec/opus_silk.c:810: error: Uninitialized Value
  The value read from k was never initialized.

libavcodec/opus_silk.c:810:13: 
808. 
809.         /* wiggle one or two LSFs */
810.         if (k == 0) {
                 ^
811.             /* repel away from lower bound */
812.             nlsf[0] = min_delta[0];
