From 2c0bba5888d843c4fd8eef2805ab60a9f0ca8537 Mon Sep 17 00:00:00 2001
From: Evgeniy Fominov <evgeniy.fm@gmail.com>
Date: Mon, 10 Oct 2016 15:30:22 +0300
Subject: [PATCH] Fix for #281 (#282)

---
 dlib/threads/async.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlib/threads/async.cpp b/dlib/threads/async.cpp
index b6b295651..6aa947bcb 100644
--- a/dlib/threads/async.cpp
+++ b/dlib/threads/async.cpp
@@ -9,6 +9,7 @@
 #include "async.h"
 #include <stdlib.h>
 #include "../string.h"
+#include <thread>
 
 namespace dlib
 {