[gtk+] window: Use g_set_object

[Matthias Clasen <matthiasc src gnome org>]

commit d908c38ec3f552014572a831464e7d8020ef7f7d
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 30 20:45:57 2015 -0500

    window: Use g_set_object
    
    No need to do the same thing manually.

 gtk/gtkwindow.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 049e05f..4be1034 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -12430,11 +12430,5 @@ gtk_window_set_hardcoded_window (GtkWindow *window,
   g_return_if_fail (GTK_IS_WINDOW (window));
   g_return_if_fail (!_gtk_widget_get_realized (GTK_WIDGET (window)));
 
-  if (priv->hardcoded_window)
-    g_object_unref (priv->hardcoded_window);
-
-  priv->hardcoded_window = gdk_window;
-
-  if (gdk_window)
-    g_object_ref (gdk_window);
+  g_set_object (&priv->hardcoded_window, gdk_window);
 }