[hitori] interface: Fix leak of top-level menu models

[Philip Withnall <pwithnall src gnome org>]

commit 70d019a9c79336f9dbfce08445f458ad3bb88f2c
Author: Philip Withnall <philip tecnocode co uk>
Date:   Wed Jun 11 10:02:49 2014 +0100

    interface: Fix leak of top-level menu models

 src/interface.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/interface.c b/src/interface.c
index c7014c0..295cdfc 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -75,6 +75,7 @@ hitori_create_interface (Hitori *hitori)
        GtkBuilder *builder;
        GtkStyleContext *style_context;
        const PangoFontDescription *font;
+       GMenuModel *app_menu, *win_menu;  /* owned */
 
        builder = gtk_builder_new ();
 
@@ -106,11 +107,15 @@ hitori_create_interface (Hitori *hitori)
        hitori->timer_label = GTK_LABEL (gtk_builder_get_object (builder, "hitori_timer"));
 
        /* Set up the menus (application and window). */
+       app_menu = G_MENU_MODEL (gtk_builder_get_object (builder, "app_menu"));
        g_action_map_add_action_entries (G_ACTION_MAP (hitori), app_entries, G_N_ELEMENTS (app_entries), 
hitori);
-       gtk_application_set_app_menu (GTK_APPLICATION (hitori), G_MENU_MODEL (gtk_builder_get_object 
(builder, "app_menu")));
+       gtk_application_set_app_menu (GTK_APPLICATION (hitori), app_menu);
+       g_object_unref (app_menu);
 
+       win_menu = G_MENU_MODEL (gtk_builder_get_object (builder, "win_menu"));
        g_action_map_add_action_entries (G_ACTION_MAP (hitori->window), win_entries, G_N_ELEMENTS 
(win_entries), hitori);
-       gtk_application_set_menubar (GTK_APPLICATION (hitori), G_MENU_MODEL (gtk_builder_get_object (builder, 
"win_menu")));
+       gtk_application_set_menubar (GTK_APPLICATION (hitori), win_menu);
+       g_object_unref (win_menu);
 
        hitori->undo_action = G_SIMPLE_ACTION (g_action_map_lookup_action (G_ACTION_MAP (hitori->window), 
"undo"));
        hitori->redo_action = G_SIMPLE_ACTION (g_action_map_lookup_action (G_ACTION_MAP (hitori->window), 
"redo"));