gtk-demo: Update copyright year

diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index f61f4bac62e59de30767c816230daef5301807af..37f0901ea1182ec377de371dc34506f5b0952cc9 100644 (file)
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -70,7 +70,7 @@ activate_about (GSimpleAction *action,
   gtk_show_about_dialog (GTK_WINDOW (gtk_application_get_active_window (app)),
                          "program-name", "GTK Demo",
                          "version", version,
-                         "copyright", "© 1997—2019 The GTK Team",
+                         "copyright", "© 1997—2020 The GTK Team",
                          "license-type", GTK_LICENSE_LGPL_2_1,
                          "website", "http://www.gtk.org",
                          "comments", "Program to demonstrate GTK widgets",