[gnome-mahjongg] Use set_accels_for_action().

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9fd9ddb5badd5eb0ad7a78e6633a91fd99d762d4
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Tue Sep 9 03:40:07 2014 +0200

    Use set_accels_for_action().
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736298

 src/gnome-mahjongg.vala |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/gnome-mahjongg.vala b/src/gnome-mahjongg.vala
index 5a382dc..83b32f6 100644
--- a/src/gnome-mahjongg.vala
+++ b/src/gnome-mahjongg.vala
@@ -61,10 +61,10 @@ public class Mahjongg : Gtk.Application
         base.startup ();
 
         add_action_entries (action_entries, this);
-        add_accelerator ("Pause", "app.pause", null);
-        add_accelerator ("<Primary>h", "app.hint", null);
-        add_accelerator ("<Primary>z", "app.undo", null);
-        add_accelerator ("<Primary><Shift>z", "app.redo", null);
+        set_accels_for_action ("app.pause", {"Pause"});
+        set_accels_for_action ("app.hint", {"<Primary>h"});
+        set_accels_for_action ("app.undo", {"<Primary>z"});
+        set_accels_for_action ("app.redo", {"<Primary><Shift>z"});
 
         settings = new Settings ("org.gnome.mahjongg");