From 11e6e74f09250319b89e87c72efcd71c6f746c7b Mon Sep 17 00:00:00 2001
From: Dennis Luxen <info@project-osrm.org>
Date: Tue, 22 Jul 2014 12:56:24 +0200
Subject: [PATCH] fix implicit conversion

---
 RoutingAlgorithms/BasicRoutingInterface.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/RoutingAlgorithms/BasicRoutingInterface.h b/RoutingAlgorithms/BasicRoutingInterface.h
index f0a6cb195..04ffeeb03 100644
--- a/RoutingAlgorithms/BasicRoutingInterface.h
+++ b/RoutingAlgorithms/BasicRoutingInterface.h
@@ -313,8 +313,8 @@ template <class DataFacadeT> class BasicRoutingInterface
         // the last node.
         if (unpacked_path.size() > 1)
         {
-            const unsigned last_index = unpacked_path.size() - 1;
-            const unsigned second_to_last_index = last_index - 1;
+            const std::size_t last_index = unpacked_path.size() - 1;
+            const std::size_t second_to_last_index = last_index - 1;
 
             // looks like a trivially true check but tests for underflow
             BOOST_ASSERT(last_index > second_to_last_index);