From 3d65b7746b4666bc5b937d7e710fb311f6e2a95d Mon Sep 17 00:00:00 2001
From: Simon Giraudot <simon.giraudot@geometryfactory.com>
Date: Wed, 30 Aug 2017 11:24:27 +0200
Subject: [PATCH] Fix templated type of xml_writer_settings

---
 .../CGAL/Classification/Sum_of_weighted_features_classifier.h   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classification/include/CGAL/Classification/Sum_of_weighted_features_classifier.h b/Classification/include/CGAL/Classification/Sum_of_weighted_features_classifier.h
index f9ea789d8b6..904072790ac 100644
--- a/Classification/include/CGAL/Classification/Sum_of_weighted_features_classifier.h
+++ b/Classification/include/CGAL/Classification/Sum_of_weighted_features_classifier.h
@@ -684,7 +684,7 @@ public:
     }
 
     // Write property tree to XML file
-    boost::property_tree::xml_writer_settings<std::string> settings(' ', 3);
+    boost::property_tree::xml_writer_settings<boost::property_tree::ptree::key_type> settings(' ', 3);
     boost::property_tree::write_xml(output, tree, settings);
   }