From ef0050662ce91d0f69d1c25fb768dfe4ef019a6f Mon Sep 17 00:00:00 2001
From: ntfshard <ntfs.hard@gmail.com>
Date: Thu, 6 Aug 2015 03:28:33 +0300
Subject: [PATCH] Function arguments passed by reference

---
 xs/src/clipper.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xs/src/clipper.hpp b/xs/src/clipper.hpp
index 22828a4f33..c8009e64e6 100644
--- a/xs/src/clipper.hpp
+++ b/xs/src/clipper.hpp
@@ -340,10 +340,10 @@ private:
   bool IsHole(TEdge *e);
   bool FindOwnerFromSplitRecs(OutRec &outRec, OutRec *&currOrfl);
   void FixHoleLinkage(OutRec &outrec);
-  void AddJoin(OutPt *op1, OutPt *op2, const IntPoint offPt);
+  void AddJoin(OutPt *op1, OutPt *op2, const IntPoint &offPt);
   void ClearJoins();
   void ClearGhostJoins();
-  void AddGhostJoin(OutPt *op, const IntPoint offPt);
+  void AddGhostJoin(OutPt *op, const IntPoint &offPt);
   bool JoinPoints(Join *j, OutRec* outRec1, OutRec* outRec2);
   void JoinCommonEdges();
   void DoSimplePolygons();