From 4ef0091b33e12450e5de4e420dfabfa8b110fc35 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 12 May 2022 22:34:05 +0200
Subject: [PATCH] Fix build on Debian 9.

---
 src/wx/film_viewer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc
index 0e6e908b3..510269793 100644
--- a/src/wx/film_viewer.cc
+++ b/src/wx/film_viewer.cc
@@ -816,7 +816,7 @@ FilmViewer::set_crop_guess (dcpomatic::Rect<float> crop)
 void
 FilmViewer::unset_crop_guess ()
 {
-	_crop_guess = {};
+	_crop_guess = boost::none;
 	_video_view->update ();
 }
 
-- 
2.30.2