[gtk+] GtkSeparator: Don't leak the gadget

[Timm Bäder <baedert src gnome org>]

commit f6b0067718471bebaa3beeafc9d0260a53dd7e26
Author: Timm Bäder <mail baedert org>
Date:   Thu Dec 17 14:49:59 2015 +0100

    GtkSeparator: Don't leak the gadget

 gtk/gtkseparator.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkseparator.c b/gtk/gtkseparator.c
index 6684dc3..a308d8a 100644
--- a/gtk/gtkseparator.c
+++ b/gtk/gtkseparator.c
@@ -217,6 +217,17 @@ gtk_separator_init (GtkSeparator *separator)
 }
 
 static void
+gtk_separator_finalize (GObject *object)
+{
+  GtkSeparatorPrivate *priv = GTK_SEPARATOR (object)->priv;
+
+  g_clear_object (&priv->gadget);
+
+
+  G_OBJECT_CLASS (gtk_separator_parent_class)->finalize (object);
+}
+
+static void
 gtk_separator_class_init (GtkSeparatorClass *class)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (class);
@@ -224,6 +235,7 @@ gtk_separator_class_init (GtkSeparatorClass *class)
 
   object_class->set_property = gtk_separator_set_property;
   object_class->get_property = gtk_separator_get_property;
+  object_class->finalize = gtk_separator_finalize;
 
   widget_class->get_preferred_width = gtk_separator_get_preferred_width;
   widget_class->get_preferred_height = gtk_separator_get_preferred_height;