fix step-43

MPI_InitFinalize now needs 3 args.

diff --git a/examples/step-43/step-43.cc b/examples/step-43/step-43.cc
index cb9799ae0257b0a312763c79c436724f3600ad87..885b44648f497dbf8efe306b71f482cb66361e9e 100644 (file)
--- a/examples/step-43/step-43.cc
+++ b/examples/step-43/step-43.cc
@@ -2252,7 +2252,8 @@ int main (int argc, char *argv[])
 
       deallog.depth_console (0);
 
-      Utilities::MPI::MPI_InitFinalize mpi_initialization (argc, argv);
+      Utilities::MPI::MPI_InitFinalize mpi_initialization (argc, argv,
+                                                           numbers::invalid_unsigned_int);
 
       TwoPhaseFlowProblem<2> two_phase_flow_problem(1);
       two_phase_flow_problem.run ();