Add missing `#include`.

diff --git a/api/gmxapi/include/gmxapi/mpi/gmxapi_mpi.h b/api/gmxapi/include/gmxapi/mpi/gmxapi_mpi.h
index 48ef5523559d325c28dc26197668d622a3f79595..97209eee68b67f6e474e120ea3e84fd5bee0d4b6 100644 (file)
--- a/api/gmxapi/include/gmxapi/mpi/gmxapi_mpi.h
+++ b/api/gmxapi/include/gmxapi/mpi/gmxapi_mpi.h
@@ -1,7 +1,7 @@
 /*
  * This file is part of the GROMACS molecular simulation package.
  *
- * Copyright (c) 2020, by the GROMACS development team, led by
+ * Copyright (c) 2020,2021, by the GROMACS development team, led by
  * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
  * and including many others, as listed in the AUTHORS file in the
  * top-level source directory and at http://www.gromacs.org.
@@ -36,6 +36,8 @@
 #ifndef GMXAPI_MPI_H
 #define GMXAPI_MPI_H
 
+#include <cassert>
+
 #include <memory>
 
 #include <mpi.h>