From ec1de6d0773c23bde2fdd5d6cacd299b8862d9b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Thu, 31 Jan 2019 11:49:41 +0100
Subject: [PATCH] fix warning

---
 Point_set_processing_3/include/CGAL/mst_orient_normals.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Point_set_processing_3/include/CGAL/mst_orient_normals.h b/Point_set_processing_3/include/CGAL/mst_orient_normals.h
index 72cd4e3b48f..8dd0bd69d92 100644
--- a/Point_set_processing_3/include/CGAL/mst_orient_normals.h
+++ b/Point_set_processing_3/include/CGAL/mst_orient_normals.h
@@ -488,6 +488,7 @@ create_mst_graph(
     CGAL_USE(point_map);
     CGAL_USE(k);
     CGAL_USE(kernel);
+    CGAL_USE(index_map);
 
     // Bring private stuff to scope
     using namespace internal;