[four-in-a-row] About dialog: use GtkLicense

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 21635f220721d3fa20da6ae3d3b17e5a78a2392c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Nov 18 23:13:07 2013 -0600

    About dialog: use GtkLicense

 src/main.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 1b5a547..fb0be96 100644
--- a/src/main.c
+++ b/src/main.c
@@ -817,14 +817,13 @@ on_help_about (GtkAction * action, gpointer data)
   const gchar *documenters[] = { "Timothy Musson",
     NULL
   };
-  gchar *license = games_get_license (_(APPNAME_LONG));
 
   gtk_show_about_dialog (GTK_WINDOW (app),
                         "name", _(APPNAME_LONG),
                         "version", VERSION,
                         "copyright",
                         "Copyright \xc2\xa9 1999-2008, Tim Musson and David Neary",
-                        "license", license, "comments",
+                        "license-type", GTK_LICENSE_GPL_2_0, "comments",
                         _("Connect four in a row to win.\n\nFour-in-a-row is a part of GNOME Games."),
                         "website-label", _("GNOME Games web site"),
                         "authors", authors, "documenters", documenters,
@@ -832,8 +831,7 @@ on_help_about (GtkAction * action, gpointer data)
                         _("translator-credits"),
                         "logo-icon-name", "four-in-a-row",
                         "website", "http://www.gnome.org/projects/gnome-games/";,
-                        "wrap-license", TRUE, NULL);
-  g_free (license);
+                        NULL);
 }