[gtk+] GtkButtonBox: Use G_PARAM_EXPLICIT_NOTIFY

[Matthias Clasen <matthiasc src gnome org>]

commit e423c045d5f9e50db0da8b3a7bdc86f6c0b458f9
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 7 11:46:00 2014 -0400

    GtkButtonBox: Use G_PARAM_EXPLICIT_NOTIFY

 gtk/gtkbbox.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkbbox.c b/gtk/gtkbbox.c
index f8d865a..17b35ed 100644
--- a/gtk/gtkbbox.c
+++ b/gtk/gtkbbox.c
@@ -209,7 +209,7 @@ gtk_button_box_class_init (GtkButtonBoxClass *class)
                                                       P_("How to lay out the buttons in the box. Possible 
values are: spread, edge, start and end"),
                                                       GTK_TYPE_BUTTON_BOX_STYLE,
                                                       DEFAULT_LAYOUT_STYLE,
-                                                      GTK_PARAM_READWRITE));
+                                                      GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
 
   gtk_container_class_install_child_property (container_class,
                                               CHILD_PROP_SECONDARY,