From 6f2ec17640096cdb672893f8093e0ba1a38fbf76 Mon Sep 17 00:00:00 2001
From: Dennis Luxen <info@project-osrm.org>
Date: Thu, 3 Apr 2014 18:28:16 +0200
Subject: [PATCH] pass path as ref to JSONDescriptor.h

---
 Descriptors/JSONDescriptor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Descriptors/JSONDescriptor.h b/Descriptors/JSONDescriptor.h
index c42482c23..a3bde5b1f 100644
--- a/Descriptors/JSONDescriptor.h
+++ b/Descriptors/JSONDescriptor.h
@@ -90,7 +90,7 @@ public:
     void SetConfig(const DescriptorConfig & c) { config = c; }
 
     int DescribeLeg(
-        const std::vector<PathData> route_leg,
+        const std::vector<PathData> & route_leg,
         const PhantomNodes & leg_phantoms
     ) {
         int added_element_count = 0;