Cleanup: const correctness.

[dcpomatic.git] / src / lib / video_ring_buffers.h

diff --git a/src/lib/video_ring_buffers.h b/src/lib/video_ring_buffers.h
index 47fda01f7fd7b9c503a84d6cffc7c2dde60b15a3..842336a26d5a946790c878045faf16c96a0faa08 100644 (file)
--- a/src/lib/video_ring_buffers.h
+++ b/src/lib/video_ring_buffers.h
@@ -19,6 +19,10 @@
 */
 
 
+#ifndef DCPOMATIC_VIDEO_RING_BUFFERS_H
+#define DCPOMATIC_VIDEO_RING_BUFFERS_H
+
+
 #include "dcpomatic_time.h"
 #include "player_video.h"
 #include "types.h"
@@ -53,3 +57,6 @@ private:
        mutable boost::mutex _mutex;
        std::list<std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime>> _data;
 };
+
+
+#endif