message: Ensure Init of Blocks Info
diff: @@ -717,6 +717,7 @@ adios2_varinfo *adios2_inquire_blockinfo(adios2_engine *engine,
  }
  else
  {
  + b[i].Start = b[i].Count = NULL;
  if (minBlocksInfo->BlocksInfo[i].Start)
  {
  b[i].Start = (size_t *)malloc(sizeof(size_t) *
  