message: Fix vexing parse.
diff: @@ -201,7 +201,7 @@ struct CesiumMetadataConversions<
  TFrom,
  std::enable_if_t<CesiumGltf::IsMetadataNumeric<TFrom>::value>> {
  static FString convert(TFrom from, const FString& defaultValue) {
  - FStringFormatOrderedArguments args();
  + FStringFormatOrderedArguments args;
  args.Push(FStringFormatArg(from));
  return FString::Format(TEXT("{0}"), args);
  }
  