From 76e4381a18ae91fdfbb81f2e07fd27defcb6cc8d Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 19 Aug 2020 15:55:29 -0600
Subject: [PATCH] Mark a member function as 'override'.

---
 include/sampleflow/filter.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/sampleflow/filter.h b/include/sampleflow/filter.h
index f8734af9..87c3568d 100644
--- a/include/sampleflow/filter.h
+++ b/include/sampleflow/filter.h
@@ -131,7 +131,7 @@ namespace SampleFlow
        */
       virtual
       void
-      flush ();
+      flush () override;
 
       /**
        * The main function of this class, which needs to be implemented by