From 7403de39836b496fb8af59f46730ac33cb80ddc6 Mon Sep 17 00:00:00 2001
From: Sven Oesau <sven.oesau@geometryfactory.com>
Date: Wed, 20 Mar 2024 10:39:36 +0100
Subject: [PATCH] Update
 AABB_tree/examples/AABB_tree/AABB_indexed_triangle_2_example.cpp

Co-authored-by: Sebastien Loriot <sloriot.ml@gmail.com>
---
 .../examples/AABB_tree/AABB_indexed_triangle_2_example.cpp      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AABB_tree/examples/AABB_tree/AABB_indexed_triangle_2_example.cpp b/AABB_tree/examples/AABB_tree/AABB_indexed_triangle_2_example.cpp
index 3a95584da97..531cafb2f02 100644
--- a/AABB_tree/examples/AABB_tree/AABB_indexed_triangle_2_example.cpp
+++ b/AABB_tree/examples/AABB_tree/AABB_indexed_triangle_2_example.cpp
@@ -17,7 +17,7 @@ struct Projection_xy_point_map {
 
   typedef typename GeomTraits::Point_3 key_type;
   typedef typename GeomTraits::Point_2 value_type;
-  typedef const value_type& reference;
+  typedef value_type reference;
 
   typedef boost::readable_property_map_tag category;
   typedef Projection_xy_point_map<GeomTraits> Self;