libavcodec/h264_refs.c:555: error: Uninitialized Value
  The value read from j was never initialized.

libavcodec/h264_refs.c:555:5: 
553.     MMCO *mmco = h->mmco;
554.     int mmco_count;
555.     int i, av_uninit(j);
         ^
556.     int current_ref_assigned = 0, err = 0;
557.     H264Picture *av_uninit(pic);
