From 074da2980c0c9a8d09a2231eaf1e5d6fed790d24 Mon Sep 17 00:00:00 2001
From: scott snyder <snyder@bnl.gov>
Date: Tue, 23 Jun 2020 17:08:59 +0200
Subject: [PATCH] ActsGeometry: Fix clang warning.

Missing override keyword.
---
 .../Acts/ActsGeometry/ActsGeometry/ActsSurfaceMappingTool.h    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Tracking/Acts/ActsGeometry/ActsGeometry/ActsSurfaceMappingTool.h b/Tracking/Acts/ActsGeometry/ActsGeometry/ActsSurfaceMappingTool.h
index c2174e4fe61..95e225b023c 100644
--- a/Tracking/Acts/ActsGeometry/ActsGeometry/ActsSurfaceMappingTool.h
+++ b/Tracking/Acts/ActsGeometry/ActsGeometry/ActsSurfaceMappingTool.h
@@ -31,8 +31,9 @@ public:
   ActsSurfaceMappingTool(const std::string& type, const std::string& name,
 	           const IInterface* parent);
 
+  virtual
   std::shared_ptr<Acts::SurfaceMaterialMapper>
-  mapper() const
+  mapper() const override
   {
     return m_mapper;
   };
-- 
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