[gtk+] window: Update _gtk_window_set_is_active API comment

[Rob Bradford <rbradford src gnome org>]

commit f061990bd539f24b5a63d626480c7f643cd2d7f9
Author: Rob Bradford <rob linux intel com>
Date:   Sat Jul 28 15:17:11 2012 +0100

    window: Update _gtk_window_set_is_active API comment
    
    The comment referenced GTK_TOPLEVEL which has been replaced by
    GTK_WINDOW_TOPLEVEL.

 gtk/gtkwindow.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index d39beed..a07ddc5 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -9572,8 +9572,8 @@ _gtk_window_set_is_active (GtkWindow *window,
  * in-process, parented GtkPlug)
  *
  * Internal function used by #GtkPlug when it gets parented/unparented by a
- * #GtkSocket.  This keeps the @window's #GTK_TOPLEVEL flag in sync with the
- * global list of toplevel windows.
+ * #GtkSocket.  This keeps the @window's #GTK_WINDOW_TOPLEVEL flag in sync
+ * with the global list of toplevel windows.
  */
 void
 _gtk_window_set_is_toplevel (GtkWindow *window,