message: Try to fix build again.
diff: @@ -107,7 +107,7 @@ bool Layer<VoxelType>::saveSubsetToFile(const std::string& file_path,
  std::fstream outfile;
  // Will APPEND to the current file in case outputting multiple layers on the
  // same file, depending on the flag.
  - char file_flags = std::fstream::out | std::fstream::binary;
  + std::ios_base::openmode file_flags = std::fstream::out | std::fstream::binary;
  if (!clear_file) {
  file_flags |= std::fstream::app | std::fstream::ate;
  } else {
  