[gtk+] Be forgiving if cursors are missing

[Matthias Clasen <matthiasc src gnome org>]

commit 93b3669273808886a0d42ffd038a62a990f0efd9
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Dec 5 18:55:05 2015 -0500

    Be forgiving if cursors are missing
    
    No need to crash here. Missing cursors are ugly, but we
    shouldn't crash.

 gtk/gtkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index e9867b0..ee10d3f 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -7262,7 +7262,7 @@ gtk_window_realize (GtkWidget *widget)
         {
           attributes.cursor = gdk_cursor_new_from_name (gtk_widget_get_display (widget), cursor[i]);
           priv->border_window[i] = gdk_window_new (gdk_window, &attributes, attributes_mask);
-          g_object_unref (attributes.cursor);
+          g_clear_object (&attributes.cursor);
 
           gdk_window_show (priv->border_window[i]);
           gtk_widget_register_window (widget, priv->border_window[i]);