Missing include.

diff --git a/src/lib/hints.h b/src/lib/hints.h
index db7ee49b60007bf12f0ab5336df9efb409f36ce5..b74b8bd71df42843909cba2ff98210f2e647ff8d 100644 (file)
--- a/src/lib/hints.h
+++ b/src/lib/hints.h
@@ -1,5 +1,5 @@
 /*
 /*

-    Copyright (C) 2016-2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2020 Carl Hetherington <cth@carlh.net>

 
     This file is part of DCP-o-matic.
 
 
     This file is part of DCP-o-matic.
 


@@ -25,6 +25,7 @@
 #include "dcpomatic_time.h"
 #include <boost/weak_ptr.hpp>
 #include <boost/signals2.hpp>
 #include "dcpomatic_time.h"
 #include <boost/weak_ptr.hpp>
 #include <boost/signals2.hpp>

+#include <boost/atomic.hpp>

 #include <vector>
 #include <string>
 
 #include <vector>
 #include <string>