From 08df51d6afa6c07fffe3514a0598db47c76cdfc7 Mon Sep 17 00:00:00 2001
From: Scott Snyder <scott.snyder@cern.ch>
Date: Sat, 1 Oct 2022 19:33:02 +0200
Subject: [PATCH] ActsGeometry: Fix thread-safety checker warnings.

ActsGeometry: Fix thread-safety checker warnings.

Fix some new thread-safety checker warnings.
Missing const qualifier.
---
 .../Acts/ActsGeometry/ActsGeometry/ActsExtrapolationTool.h    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Tracking/Acts/ActsGeometry/ActsGeometry/ActsExtrapolationTool.h b/Tracking/Acts/ActsGeometry/ActsGeometry/ActsExtrapolationTool.h
index 789be0c33d7b..84830551841f 100644
--- a/Tracking/Acts/ActsGeometry/ActsGeometry/ActsExtrapolationTool.h
+++ b/Tracking/Acts/ActsGeometry/ActsGeometry/ActsExtrapolationTool.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 */
 
 #ifndef ACTSGEOMETRY_ACTSEXTRAPOLATIONTOOL_H
@@ -116,7 +116,7 @@ public:
 
 
 private:
-  std::unique_ptr<ActsExtrapolationDetail::VariantPropagator> m_varProp;
+  std::unique_ptr<const ActsExtrapolationDetail::VariantPropagator> m_varProp;
   std::unique_ptr<const Acts::Logger> m_logger{nullptr};
 
   SG::ReadCondHandleKey<AtlasFieldCacheCondObj> m_fieldCacheCondObjInputKey {this, "AtlasFieldCacheCondObj", "fieldCondObj", "Name of the Magnetic Field conditions object key"};
-- 
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