[gtk+] listbox: Free the multipress gesture on finalize

[Carlos Garnacho <carlosg src gnome org>]

commit 594de00cad7c5e588bc3f44d1cbfce583408b0b1
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jan 14 16:41:54 2015 +0100

    listbox: Free the multipress gesture on finalize

 gtk/gtklistbox.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index 0d42117..bff52ad 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -368,6 +368,7 @@ gtk_list_box_finalize (GObject *obj)
 
   g_clear_object (&priv->adjustment);
   g_clear_object (&priv->drag_highlighted_row);
+  g_clear_object (&priv->multipress_gesture);
 
   g_sequence_free (priv->children);
   g_hash_table_unref (priv->header_hash);