From ea0783bcfe32b5aec349aa03c46daea76abd42f1 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 7 May 2021 17:15:20 +0200
Subject: Fix build with some older compilers.

---
 src/wx/audio_plot.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wx/audio_plot.cc b/src/wx/audio_plot.cc
index 4e4b6d6a0..90a4aa91d 100644
--- a/src/wx/audio_plot.cc
+++ b/src/wx/audio_plot.cc
@@ -477,7 +477,7 @@ AudioPlot::mouse_moved (wxMouseEvent& ev)
 		search (_peak, ev, min_dist, min_point);
 	}
 
-	_cursor = {};
+	_cursor = boost::none;
 
 	if (min_dist < DBL_MAX) {
 		wxRect before (min_point.draw.x - _cursor_size / 2, min_point.draw.y - _cursor_size / 2, _cursor_size, _cursor_size);
@@ -493,7 +493,7 @@ AudioPlot::mouse_moved (wxMouseEvent& ev)
 void
 AudioPlot::mouse_leave (wxMouseEvent &)
 {
-	_cursor = {};
+	_cursor = boost::none;
 	Refresh ();
 	Cursor (optional<DCPTime>(), optional<float>());
 }
-- 
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