Fix missing version string when Popen communicate returns byte strings.

[libdcp.git] / src / mono_picture_asset_reader.h

diff --git a/src/mono_picture_asset_reader.h b/src/mono_picture_asset_reader.h
index 9ec899ccd2947a6810f22d8bdb01416286b4c60a..4caf80f96e7427a4bf413abf02b424cb5af1b109 100644 (file)
--- a/src/mono_picture_asset_reader.h
+++ b/src/mono_picture_asset_reader.h
@@ -31,12 +31,16 @@
     files in the program, then also delete it here.
 */
 
+#ifndef LIBDCP_MONO_PICTURE_ASSET_READER_H
+#define LIBDCP_MONO_PICTURE_ASSET_READER_H
+
 #include "asset_reader.h"
+#include "mono_picture_frame.h"
 
 namespace dcp {
 
-class MonoPictureFrame;
-
 typedef AssetReader<ASDCP::JP2K::MXFReader, MonoPictureFrame> MonoPictureAssetReader;
 
 }
+
+#endif