From 666837bcb96ce5c5fa3b25ec677dc6be80cb2afb Mon Sep 17 00:00:00 2001
From: Adam Wulkiewicz <adam.wulkiewicz@gmail.com>
Date: Mon, 9 Mar 2015 16:05:29 +0100
Subject: [PATCH] [algorithms] Fix the type of returned Range/Ring in
 sub_range(Polygon).

---
 include/boost/geometry/algorithms/detail/sub_range.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/geometry/algorithms/detail/sub_range.hpp b/include/boost/geometry/algorithms/detail/sub_range.hpp
index 1ccc11e39..eda3ce58b 100644
--- a/include/boost/geometry/algorithms/detail/sub_range.hpp
+++ b/include/boost/geometry/algorithms/detail/sub_range.hpp
@@ -44,7 +44,7 @@ struct sub_range<Geometry, Tag, false>
 template <typename Geometry>
 struct sub_range<Geometry, polygon_tag, false>
 {
-    typedef typename geometry::ring_type<Geometry>::type & return_type;
+    typedef typename geometry::ring_return_type<Geometry>::type return_type;
 
     template <typename Id> static inline
     return_type apply(Geometry & geometry, Id const& id)