[gtk+] GtkToolButton: Use G_PARAM_EXPLICIT_NOTIFY

[Matthias Clasen <matthiasc src gnome org>]

commit 3074fcf31d1966e3351c06d14f6b7cd25531e9fa
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 9 09:44:09 2014 -0400

    GtkToolButton: Use G_PARAM_EXPLICIT_NOTIFY

 gtk/gtktoolbutton.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtktoolbutton.c b/gtk/gtktoolbutton.c
index 5c2b73f..5b47a59 100644
--- a/gtk/gtktoolbutton.c
+++ b/gtk/gtktoolbutton.c
@@ -246,7 +246,7 @@ gtk_tool_button_class_init (GtkToolButtonClass *klass)
                                                         P_("Use underline"),
                                                         P_("If set, an underline in the label property 
indicates that the next character should be used for the mnemonic accelerator key in the overflow menu"),
                                                         FALSE,
-                                                        GTK_PARAM_READWRITE));
+                                                        GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
   g_object_class_install_property (object_class,
                                   PROP_LABEL_WIDGET,
                                   g_param_spec_object ("label-widget",
@@ -308,7 +308,7 @@ gtk_tool_button_class_init (GtkToolButtonClass *klass)
                                                             0,
                                                             G_MAXINT,
                                                             3,
-                                                            GTK_PARAM_READWRITE));
+                                                            GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
 
 /**
  * GtkToolButton::clicked: