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-rw-r--r--gtk2_ardour/crossfade_edit.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk2_ardour/crossfade_edit.cc b/gtk2_ardour/crossfade_edit.cc
index cc8d487185..c20b7c492a 100644
--- a/gtk2_ardour/crossfade_edit.cc
+++ b/gtk2_ardour/crossfade_edit.cc
@@ -57,6 +57,8 @@ using namespace Gtk;
using namespace sigc;
using namespace Editing;
+using Gtkmm2ext::Keyboard;
+
#include "i18n.h"
const int32_t CrossfadeEditor::Point::size = 7;