[gnome-calculator] Added link to website in about dialog. (fixes #155)

[Robert Roth <robertroth src gnome org>]

commit aef0de708f33877596d42e1706ddb2edcc064362
Author: Robert Roth <robert roth off gmail com>
Date:   Mon May 4 08:54:31 2020 +0300

    Added link to website in about dialog. (fixes #155)

 src/gnome-calculator.vala | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/gnome-calculator.vala b/src/gnome-calculator.vala
index 99a78b10..30db7d57 100644
--- a/src/gnome-calculator.vala
+++ b/src/gnome-calculator.vala
@@ -335,6 +335,7 @@ public class Calculator : Gtk.Application
                                _("Calculator"),
                                "title", _("About Calculator"),
                                "version", VERSION,
+                               "website", "https://wiki.gnome.org/Apps/Calculator";,
                                "copyright",
                                "\xc2\xa9 1986–2016 The Calculator authors",
                                /* We link to MPFR and MPC which are  LGPLv3+, so Calculator cannot be 
conveyed as GPLv2+ */