From cd0ec07f64343f8855b72247cf76bf753aecead6 Mon Sep 17 00:00:00 2001
From: Barend Gehrels <barend@xs4all.nl>
Date: Wed, 8 Jan 2014 13:26:00 +0100
Subject: [PATCH] [geometry] Minor - pass ringtype separately (further this
 change was part of a non-committed change)

---
 .../geometry/algorithms/detail/overlay/backtrack_check_si.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/geometry/algorithms/detail/overlay/backtrack_check_si.hpp b/include/boost/geometry/algorithms/detail/overlay/backtrack_check_si.hpp
index 580fe431a..90a4da39e 100644
--- a/include/boost/geometry/algorithms/detail/overlay/backtrack_check_si.hpp
+++ b/include/boost/geometry/algorithms/detail/overlay/backtrack_check_si.hpp
@@ -79,9 +79,9 @@ class backtrack_check_self_intersections
 public :
     typedef state state_type;
 
-    template <typename Operation, typename Rings, typename Turns, typename RescalePolicy>
+    template <typename Operation, typename Rings, typename Ring, typename Turns, typename RescalePolicy>
     static inline void apply(std::size_t size_at_start,
-                Rings& rings, typename boost::range_value<Rings>::type& ring,
+                Rings& rings, Ring& ring,
                 Turns& turns, Operation& operation,
                 std::string const& ,
                 Geometry1 const& geometry1,