From 5d1a68e8f7af73e3a8d4a29d019ef7b53ea04a35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mael=20Rouxel-Labb=C3=A9?=
 <mael.rouxel.labbe@geometryfactory.com>
Date: Tue, 26 May 2020 19:27:26 +0200
Subject: [PATCH] auto -> proper type which already exists

---
 BGL/include/CGAL/boost/graph/IO/3MF.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BGL/include/CGAL/boost/graph/IO/3MF.h b/BGL/include/CGAL/boost/graph/IO/3MF.h
index e699783be67..2e809ae65cc 100644
--- a/BGL/include/CGAL/boost/graph/IO/3MF.h
+++ b/BGL/include/CGAL/boost/graph/IO/3MF.h
@@ -59,7 +59,7 @@ bool write_triangle_meshes_to_3mf(const std::string& file_name,
   std::vector<PointRange> all_points;
   std::vector<PolygonRange> all_polygons;
 
-  for(const auto& g : gs)
+  for(const FaceGraph& g : gs)
   {
     PointRange points;
     points.reserve(num_vertices(g));