From 800bb223b5c63234cc912bef7bcab282387a9c21 Mon Sep 17 00:00:00 2001
From: Dennis Luxen <info@project-osrm.org>
Date: Sat, 1 Nov 2014 17:15:20 -0400
Subject: [PATCH] remove unused variable

---
 Algorithms/polyline_compressor.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Algorithms/polyline_compressor.cpp b/Algorithms/polyline_compressor.cpp
index 5a16eb331..87c6e51d7 100644
--- a/Algorithms/polyline_compressor.cpp
+++ b/Algorithms/polyline_compressor.cpp
@@ -75,12 +75,12 @@ std::string PolylineCompressor::encode_number(int number_to_encode) const
 std::string
 PolylineCompressor::get_encoded_string(const std::vector<SegmentInformation> &polyline) const
 {
-    std::string output;
-    std::vector<int> delta_numbers;
     if (polyline.empty())
     {
         return {};
     }
+
+    std::vector<int> delta_numbers;
     FixedPointCoordinate previous_coordinate = {0, 0};
     for (const auto &segment : polyline)
     {