libavcodec/h264.c:3272: error: Uninitialized Value
  The value read from j was never initialized.

libavcodec/h264.c:3272:5: 
3270. static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
3271.     MpegEncContext * const s = &h->s;
3272.     int i, av_uninit(j);
          ^
3273.     int current_ref_assigned=0;
3274.     Picture *av_uninit(pic);
