From cae54d2649a246feab7f5f0a1790c53f5cb85b94 Mon Sep 17 00:00:00 2001
From: Robby Findler <robby@racket-lang.org>
Date: Fri, 31 Jan 2014 09:07:24 -0600
Subject: [PATCH] add one more missing require from recent class/c file
 rearrangement

original commit: 4ecba66b8d412191b609b2f1cebc888c836ad198
---
 .../compatibility-lib/mzlib/private/contract-object.rkt          | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/compatibility-pkgs/compatibility-lib/mzlib/private/contract-object.rkt b/pkgs/compatibility-pkgs/compatibility-lib/mzlib/private/contract-object.rkt
index 6aedcbb..c2b6906 100644
--- a/pkgs/compatibility-pkgs/compatibility-lib/mzlib/private/contract-object.rkt
+++ b/pkgs/compatibility-pkgs/compatibility-lib/mzlib/private/contract-object.rkt
@@ -4,6 +4,7 @@
          racket/contract/private/misc
          racket/contract/private/prop
          racket/private/class-internal
+         racket/private/class-c-old
          "contract-arr-checks.rkt")
 
 (require (for-syntax racket/base