libavcodec/h264_refs.c:528: error: Uninitialized Value
  The value read from structure was never initialized.

libavcodec/h264_refs.c:528:9: 
526. 
527.     for(i=0; i<mmco_count; i++){
528.         int av_uninit(structure), av_uninit(frame_num);
             ^
529.         if(h->avctx->debug&FF_DEBUG_MMCO)
530.             av_log(h->avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_pic_num, h->mmco[i].long_arg);
