libavcodec/error_resilience.c:557: error: Uninitialized Value
  The value read from fixed[_] was never initialized.

libavcodec/error_resilience.c:557:38: 
555.                         decode_mb(s, ref[j]);
556. 
557.                         if(mb_x>0 && fixed[mb_xy-1]){
                                          ^
558.                             int k;
559.                             for(k=0; k<16; k++)
