message: Fix a bug affecting hypre builds with "mixedint" enabled.
  All tests in 'make test' seem to pass now.
diff: @@ -625,13 +625,13 @@ void ParFiniteElementSpace::GenerateGlobalOffsets() const
  int request_counter = 0;
  for (int i = 1; i <= nsize; i++)
  {
  - MPI_Irecv(&tdof_nb_offsets[i], 1, HYPRE_MPI_INT,
  + MPI_Irecv(&tdof_nb_offsets[i], 1, HYPRE_MPI_BIG_INT,
  gt.GetNeighborRank(i), 5365, MyComm,
  &requests[request_counter++]);
  }
  for (int i = 1; i <= nsize; i++)
  {
  - MPI_Isend(&tdof_nb_offsets[0], 1, HYPRE_MPI_INT,
  + MPI_Isend(&tdof_nb_offsets[0], 1, HYPRE_MPI_BIG_INT,
  gt.GetNeighborRank(i), 5365, MyComm,
  &requests[request_counter++]);
  }
  