Missing include.

diff --git a/src/lib/hints.h b/src/lib/hints.h
index db7ee49b60007bf12f0ab5336df9efb409f36ce5..a5912d1a17d0034a13fa3aac432c868303152fcc 100644 (file)
--- a/src/lib/hints.h
+++ b/src/lib/hints.h
@@ -25,6 +25,7 @@
 #include "dcpomatic_time.h"
 #include <boost/weak_ptr.hpp>
 #include <boost/signals2.hpp>
+#include <boost/atomic.hpp>
 #include <vector>
 #include <string>