[gnome-2048] Fix build

[Jan Tojnar <jtojnar src gnome org>]

commit 70cb0302f675ef4a3a5ae86f79a85ce845b4c869
Author: Jan Tojnar <jtojnar gmail com>
Date:   Thu Oct 4 18:47:27 2018 +0200

    Fix build
    
    Re-adds a comma accidentally removed in 7ce4681a0410579c71e1828703146b9476cddb0f.

 src/application.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/application.vala b/src/application.vala
index 3771e97..44ca557 100644
--- a/src/application.vala
+++ b/src/application.vala
@@ -380,7 +380,7 @@ public class Application : Gtk.Application
     {
         string [] authors = { "Juan R. García Blanco", "Arnaud Bonatti" };
         show_about_dialog (_window /* get_active_window () */,
-                           "program-name", _("2048")
+                           "program-name", _("2048"),
                            "version", VERSION,
                            "comments", _("A clone of 2048 for GNOME"),
                            "copyright", _("Copyright \xc2\xa9 2014-2015 – Juan R. García Blanco\nCopyright 
\xc2\xa9 2016 – Arnaud Bonatti"),