From ce98cd4c46f09e8cdd8ca43b6a208a1c788b9fa7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Fri, 3 Sep 2021 09:15:26 +0200
Subject: [PATCH] add missing include statement

---
 Interpolation/include/CGAL/regular_neighbor_coordinates_2.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Interpolation/include/CGAL/regular_neighbor_coordinates_2.h b/Interpolation/include/CGAL/regular_neighbor_coordinates_2.h
index 7fbb978bf8c..ce5c62c0b76 100644
--- a/Interpolation/include/CGAL/regular_neighbor_coordinates_2.h
+++ b/Interpolation/include/CGAL/regular_neighbor_coordinates_2.h
@@ -20,6 +20,7 @@
 #include <CGAL/iterator.h>
 #include <CGAL/utility.h>
 #include <CGAL/function_objects.h>
+#include <CGAL/Polygon_2_algorithms.h>
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_convertible.hpp>