gtkwindow: Fix a memory leak

The private data GtkGesture* drag_gesture was added by commit
13e22e20300b7312e52bba7d077fc7e231695fc1, but it's never destroyed.
Unref it in gtk_window_finalize().

https://bugzilla.gnome.org/show_bug.cgi?id=749425

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 2a05c832d6a753d4891c8a24b79ac273299a3b35..9c147fb076edd83b93e1e77d5d44e9a1068b07d8 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -5756,6 +5756,9 @@ gtk_window_finalize (GObject *object)
   if (priv->multipress_gesture)
     g_object_unref (priv->multipress_gesture);
 
+  if (priv->drag_gesture)
+    g_object_unref (priv->drag_gesture);
+
   G_OBJECT_CLASS (gtk_window_parent_class)->finalize (object);
 }