Request: Fortran mpi_f08 support

requesting that MPI 3.x Fortran API be made available--even if not the post MPI 2.1 features, at least the mpi_f08 interface as that avoids numerous compiler warnings.

use mpi_f08, only : mpi_init, mpi_send

I try compile PaStiX with msmpi in MSYS2/MINGW64, but I have this error: MPI_Fortran_HAVE_F08_MODULE is empty