libavcodec/h264_refs.c:562: error: Uninitialized Value
  The value read from structure was never initialized.

libavcodec/h264_refs.c:562:9: 
560. 
561.     for (i = 0; i < mmco_count; i++) {
562.         int av_uninit(structure), av_uninit(frame_num);
             ^
563.         if (h->avctx->debug & FF_DEBUG_MMCO)
564.             av_log(h->avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode,
