[dconf-editor/gnome-3-34] Update copyright info.

[Arnaud B. <arnaudb src gnome org>]

commit 7b899d6c4bfb84c1ea7899f313f3cbabaeebdbb3
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Jan 4 16:13:10 2020 +0100

    Update copyright info.
    
    Here, without editing strings.

 editor/dconf-editor.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/editor/dconf-editor.vala b/editor/dconf-editor.vala
index 3f0f258..6f66581 100644
--- a/editor/dconf-editor.vala
+++ b/editor/dconf-editor.vala
@@ -659,7 +659,7 @@ private class ConfigurationEditor : Gtk.Application, BaseApplication
         authors = { "Robert Ancell", "Arnaud Bonatti" };
 
         /* Translators: about dialog text */
-        copyright = _("Copyright \xc2\xa9 2010-2014 – Canonical Ltd\nCopyright \xc2\xa9 2017-2018 – Davi da 
Silva Böger\nCopyright \xc2\xa9 2015-2019 – Arnaud Bonatti");
+        copyright = _("Copyright \xc2\xa9 2010-2014 – Canonical Ltd\nCopyright \xc2\xa9 2017-2018 – Davi da 
Silva Böger\nCopyright \xc2\xa9 2015-2019 – Arnaud Bonatti").replace ("2019", "2020");
 
         documenters = {};
         logo_icon_name = "ca.desrt.dconf-editor";