window: Actually emit notify::transient-for

Because it seems we weren't doing that

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 1ae9f36a72954849a3c9b7c2001091288dc80f49..f1e99e57920db2fcd58c56030d012c3ebc068f57 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -3538,6 +3538,8 @@ gtk_window_set_transient_for  (GtkWindow *window,
     }
 
   update_window_buttons (window);
+
+  g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_TRANSIENT_FOR]);
 }
 
 /**