[gnome-control-center] background: Make switcher button as tall as other buttons

[Bastien Nocera <hadess src gnome org>]

commit 71c76e96882d9596e4d5add54e9b75311cd7ecd0
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Aug 15 16:49:43 2014 +0200

    background: Make switcher button as tall as other buttons
    
    https://bugzilla.gnome.org/show_bug.cgi?id=734803

 panels/background/cc-background-chooser-dialog.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/panels/background/cc-background-chooser-dialog.c 
b/panels/background/cc-background-chooser-dialog.c
index 4c5b812..6aa604d 100644
--- a/panels/background/cc-background-chooser-dialog.c
+++ b/panels/background/cc-background-chooser-dialog.c
@@ -426,6 +426,7 @@ cc_background_chooser_dialog_init (CcBackgroundChooserDialog *chooser)
   gchar *pictures_dir_basename;
   gchar *pictures_dir_uri;
   GtkTargetList *target_list;
+  GtkSizeGroup *size_group;
 
   chooser->priv = CC_CHOOSER_DIALOG_GET_PRIVATE (chooser);
   priv = chooser->priv;
@@ -593,6 +594,11 @@ cc_background_chooser_dialog_init (CcBackgroundChooserDialog *chooser)
   gtk_dialog_set_default_response (GTK_DIALOG (chooser), GTK_RESPONSE_OK);
   gtk_dialog_set_response_sensitive (GTK_DIALOG (chooser), GTK_RESPONSE_OK, FALSE);
 
+  button = gtk_dialog_get_widget_for_response (GTK_DIALOG (chooser), GTK_RESPONSE_CANCEL);
+  size_group = gtk_size_group_new (GTK_SIZE_GROUP_VERTICAL);
+  gtk_size_group_add_widget (size_group, button);
+  gtk_size_group_add_widget (size_group, hbox);
+
   on_view_toggled (GTK_TOGGLE_BUTTON (button1), chooser);
   gtk_widget_show_all (vbox);
 }