[cheese] Replace GtkBox casts with GtkGrid casts

[David King <davidk src gnome org>]

commit 3557cf2c9e0c03adc552b589e81309b5589fdac8
Author: David King <amigadave amigadave com>
Date:   Mon Apr 15 21:23:32 2013 +0100

    Replace GtkBox casts with GtkGrid casts
    
    This manifested as the "Leave Fullscreen" button not being displayed
    when switching into fullscreen mode. Fixed bug 691454.

 src/cheese-window.vala | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/cheese-window.vala b/src/cheese-window.vala
index b7c3ecb..8fde0e8 100644
--- a/src/cheese-window.vala
+++ b/src/cheese-window.vala
@@ -53,7 +53,7 @@ public class Cheese.MainWindow : Gtk.ApplicationWindow
   private Cheese.ThumbView thumb_view;
   private Gtk.Alignment    thumbnails_right;
   private Gtk.Alignment    thumbnails_bottom;
-  private Gtk.Box          leave_fullscreen_button_container;
+  private Gtk.Grid leave_fullscreen_button_container;
   private Gtk.ToggleButton photo_toggle_button;
   private Gtk.ToggleButton video_toggle_button;
   private Gtk.ToggleButton burst_toggle_button;
@@ -62,7 +62,7 @@ public class Cheese.MainWindow : Gtk.ApplicationWindow
   private Gtk.Image        take_action_button_image;
   private Gtk.ToggleButton effects_toggle_button;
   private Gtk.Button       leave_fullscreen_button;
-  private Gtk.Box          buttons_area;
+  private Gtk.Grid buttons_area;
   private Gtk.Menu         thumbnail_popup;
 
   private Clutter.Stage     viewport;
@@ -1389,7 +1389,7 @@ public class Cheese.MainWindow : Gtk.ApplicationWindow
     viewport                          = viewport_widget.get_stage () as Clutter.Stage;
     thumbnails_right                  = gtk_builder.get_object ("thumbnails_right") as Gtk.Alignment;
     thumbnails_bottom                 = gtk_builder.get_object ("thumbnails_bottom") as Gtk.Alignment;
-    leave_fullscreen_button_container = gtk_builder.get_object ("leave_fullscreen_button_bin") as Gtk.Box;
+    leave_fullscreen_button_container = gtk_builder.get_object ("leave_fullscreen_button_bin") as Gtk.Grid;
     photo_toggle_button               = gtk_builder.get_object ("photo_toggle_button") as Gtk.ToggleButton;
     video_toggle_button               = gtk_builder.get_object ("video_toggle_button") as Gtk.ToggleButton;
     burst_toggle_button               = gtk_builder.get_object ("burst_toggle_button") as Gtk.ToggleButton;
@@ -1398,7 +1398,7 @@ public class Cheese.MainWindow : Gtk.ApplicationWindow
     take_action_button_image          = gtk_builder.get_object ("take_action_button_internal_image") as 
Gtk.Image;
     effects_toggle_button             = gtk_builder.get_object ("effects_toggle_button") as Gtk.ToggleButton;
     leave_fullscreen_button           = gtk_builder.get_object ("leave_fullscreen_button") as Gtk.Button;
-    buttons_area                      = gtk_builder.get_object ("buttons_area") as Gtk.Box;
+    buttons_area = gtk_builder.get_object ("buttons_area") as Gtk.Grid;
     thumbnail_popup                   = gtk_builder.get_object ("thumbnail_popup") as Gtk.Menu;
 
     countdown_action         = gtk_builder.get_object ("countdown") as Gtk.Action;