[seahorse] Common: update AboutDialog.

[Niels De Graef <nielsdg src gnome org>]

commit 130725a9ffa89675898d8c214256978cae254938
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Fri Mar 9 21:02:30 2018 +0100

    Common: update AboutDialog.
    
    Fixes [bug 609418](https://bugzilla.gnome.org/show_bug.cgi?id=609418).

 common/catalog.vala |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/common/catalog.vala b/common/catalog.vala
index 394adc0..254424b 100644
--- a/common/catalog.vala
+++ b/common/catalog.vala
@@ -254,6 +254,7 @@ public abstract class Catalog : Gtk.Window {
                "Jean Schurger <yshark schurger org>",
                "Stef Walter <stef memberwebs com>",
                "Adam Schreiber <sadam clemson edu>",
+               "Niels De Graef <nielsdegraef gmail com>",
                "",
                N_("Contributions:"),
                "Albrecht Dreß <albrecht dress arcor de>",
@@ -275,19 +276,17 @@ public abstract class Catalog : Gtk.Window {
        };
 
        [CCode (instance_pos = -1)]
-       private void on_app_about(Gtk.Action action)
-       {
-
+       private void on_app_about(Gtk.Action action) {
                var about = new Gtk.AboutDialog();
                about.set_artists(ARTISTS);
                about.set_authors(AUTHORS);
                about.set_documenters(DOCUMENTERS);
                about.set_version(Config.VERSION);
                about.set_comments(_("Passwords and Keys"));
-               about.set_copyright("Copyright \xc2\xa9 2002 - 2010 Seahorse Project");
+               about.set_copyright("© 2002 - 2018 Seahorse Contributors");
                about.set_translator_credits(_("translator-credits"));
                about.set_logo_icon_name("seahorse");
-               about.set_website("http://www.gnome.org/projects/seahorse";);
+               about.set_website("https://wiki.gnome.org/Apps/Seahorse";);
                about.set_website_label(_("Seahorse Project Homepage"));
 
                about.response.connect((response) => {