From a14ead844b332363dc36911b6232d13e8ab2e815 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 28 Jan 2021 16:47:37 -0700
Subject: [PATCH] Fix a missing include file.

---
 tests/simplex/orientation_02.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/simplex/orientation_02.cc b/tests/simplex/orientation_02.cc
index 8931b1da8f..5154db626c 100644
--- a/tests/simplex/orientation_02.cc
+++ b/tests/simplex/orientation_02.cc
@@ -17,6 +17,7 @@
 
 // Test a mesh with two tetrahedra for all possible orientations.
 
+#include <deal.II/grid/grid_generator.h>
 #include <deal.II/grid/reference_cell.h>
 #include <deal.II/grid/tria.h>
 
-- 
2.39.5