orte mpi tests: don't use deprecated MPI functions

Change MPI_Errhandler_set -> MPI_Comm_set_errhandler

orte/test/mpi/crisscross.c

@@ -71,7 +71,7 @@ int main(int argc, char *argv[])
     MPI_Abort(MPI_COMM_WORLD, -1);
    }
 
- MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
+ MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
 
  mpierr = MPI_Comm_rank(MPI_COMM_WORLD, &rank);
  if (mpierr != MPI_SUCCESS || rank < 0)

orte/test/mpi/sendrecv_blaster.c

@@ -56,7 +56,7 @@ int main(int argc, char *argv[])
         MPI_Abort(MPI_COMM_WORLD, -1);
     }
     
-    MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
+    MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
     
     mpierr = MPI_Comm_rank(MPI_COMM_WORLD, &rank);
     if (mpierr != MPI_SUCCESS || rank < 0)