[gtk+] GtkColorChooserDialog: Explicitly notify for use-alpha

[Matthias Clasen <matthiasc src gnome org>]

commit a215a4c762b4bfb5d47cf8462dbf02a0b7fed1b9
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 8 11:31:37 2014 -0400

    GtkColorChooserDialog: Explicitly notify for use-alpha

 gtk/gtkcolorchooserdialog.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkcolorchooserdialog.c b/gtk/gtkcolorchooserdialog.c
index 235c7e5..ce09783 100644
--- a/gtk/gtkcolorchooserdialog.c
+++ b/gtk/gtkcolorchooserdialog.c
@@ -185,7 +185,11 @@ gtk_color_chooser_dialog_set_property (GObject      *object,
       gtk_color_chooser_set_rgba (cc, g_value_get_boxed (value));
       break;
     case PROP_USE_ALPHA:
-      gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser), g_value_get_boolean (value));
+      if (gtk_color_chooser_get_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser)) != g_value_get_boolean 
(value))
+        {
+          gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser), g_value_get_boolean 
(value));
+          g_object_notify_by_pspec (object, pspec);
+        }
       break;
     case PROP_SHOW_EDITOR:
       g_object_set (cd->priv->chooser,