From be11d3325d4c314511b9518be753a172edd165f7 Mon Sep 17 00:00:00 2001
From: Dennis Luxen <info@project-osrm.org>
Date: Fri, 10 Oct 2014 19:38:59 +0200
Subject: [PATCH] add mutex include

---
 Util/simple_logger.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Util/simple_logger.hpp b/Util/simple_logger.hpp
index a747c108d..2f7d1ed79 100644
--- a/Util/simple_logger.hpp
+++ b/Util/simple_logger.hpp
@@ -29,6 +29,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define SIMPLE_LOGGER_HPP
 
 #include <atomic>
+#include <mutex>
 #include <sstream>
 
 enum LogLevel