$NetBSD: patch-require-help-mode,v 1.1 2010/10/14 04:38:44 phonohawk Exp $

--- auto-complete.el.orig	2010-10-14 03:56:17.000000000 +0000
+++ auto-complete.el
@@ -48,6 +48,9 @@
 
 (require 'popup)
 
+;; Ensure help-xref-following is defvar'ed.
+(require 'help-mode)
+
 ;;;; Global stuff
 
 (defun ac-error (&optional var)