From 21df1723f8eadd7b2730309484b09b7ac8873084 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 20 Jul 2017 14:46:01 -0600
Subject: [PATCH] Make a couple of variables 'const'.

---
 source/base/mpi.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/base/mpi.cc b/source/base/mpi.cc
index cdf04cf3b3..aa42b950fc 100644
--- a/source/base/mpi.cc
+++ b/source/base/mpi.cc
@@ -91,8 +91,8 @@ namespace Utilities
     compute_point_to_point_communication_pattern (const MPI_Comm &mpi_comm,
                                                   const std::vector<unsigned int> &destinations)
     {
-      unsigned int myid = Utilities::MPI::this_mpi_process(mpi_comm);
-      unsigned int n_procs = Utilities::MPI::n_mpi_processes(mpi_comm);
+      const unsigned int myid = Utilities::MPI::this_mpi_process(mpi_comm);
+      const unsigned int n_procs = Utilities::MPI::n_mpi_processes(mpi_comm);
 
       for (unsigned int i=0; i<destinations.size(); ++i)
         {
-- 
2.39.5