From c1bea5c22d1135028b391215a16d3174158367ce Mon Sep 17 00:00:00 2001
From: "Daniel J. Hofmann" <daniel@trvx.org>
Date: Tue, 1 Mar 2016 13:39:09 +0100
Subject: [PATCH] Fixes header includes in the JSON factory

---
 src/engine/api/json_factory.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/engine/api/json_factory.cpp b/src/engine/api/json_factory.cpp
index 815d40648..c7a50362f 100644
--- a/src/engine/api/json_factory.cpp
+++ b/src/engine/api/json_factory.cpp
@@ -10,10 +10,12 @@
 
 #include <boost/assert.hpp>
 #include <boost/range/irange.hpp>
+#include <boost/optional.hpp>
 
 #include <string>
 #include <utility>
 #include <algorithm>
+#include <iterator>
 #include <vector>
 
 namespace osrm