From d981ed71f3473fbb629ac4698cf9f983d56e2743 Mon Sep 17 00:00:00 2001
From: Christian Speckner <christian.speckner@mayflower.de>
Date: Sat, 15 Dec 2018 09:22:00 +0100
Subject: [PATCH] Fix missing include -> fixes windows build.

---
 src/common/StaggeredLogger.hxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/common/StaggeredLogger.hxx b/src/common/StaggeredLogger.hxx
index 597df4b82..7f93e60e0 100644
--- a/src/common/StaggeredLogger.hxx
+++ b/src/common/StaggeredLogger.hxx
@@ -21,6 +21,7 @@
 #include <functional>
 #include <chrono>
 #include <thread>
+#include <mutex>
 
 #include "bspf.hxx"