message: Fix issue where adios_reorganize hangs with MPMD launch
diff: @@ -118,7 +118,7 @@ void Reorganize::Run()
  print0("Write method parameters = ", wmethodparams);
  #ifdef ADIOS2_HAVE_MPI
  - core::ADIOS adios(MPI_COMM_WORLD, true, "C++");
  + core::ADIOS adios(comm, true, "C++");
  #else
  core::ADIOS adios(true, "C++");
  #endif
  