[gnome-documents] main-view: don't leak the GtkTreeModel

[Cosimo Cecchi <cosimoc src gnome org>]

commit 7129f45ed9ed4d30bf174b34264b0c29a05419a1
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Thu Mar 1 16:05:10 2012 -0500

    main-view: don't leak the GtkTreeModel

 src/lib/gd-main-view.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/src/lib/gd-main-view.c b/src/lib/gd-main-view.c
index 6cded5b..3fcd3ed 100644
--- a/src/lib/gd-main-view.c
+++ b/src/lib/gd-main-view.c
@@ -54,6 +54,16 @@ static guint signals[NUM_SIGNALS] = { 0, };
 G_DEFINE_TYPE (GdMainView, gd_main_view, GTK_TYPE_SCROLLED_WINDOW)
 
 static void
+gd_main_view_dispose (GObject *obj)
+{
+  GdMainView *self = GD_MAIN_VIEW (obj);
+
+  g_clear_object (&self->priv->model);
+
+  G_OBJECT_CLASS (gd_main_view_parent_class)->dispose (obj);
+}
+
+static void
 gd_main_view_init (GdMainView *self)
 {
   GtkStyleContext *context;
@@ -131,6 +141,7 @@ gd_main_view_class_init (GdMainViewClass *klass)
 
   oclass->get_property = gd_main_view_get_property;
   oclass->set_property = gd_main_view_set_property;
+  oclass->dispose = gd_main_view_dispose;
 
   properties[PROP_VIEW_TYPE] =
     g_param_spec_int ("view-type",