$NetBSD: patch-ac,v 1.9 2011/08/25 14:54:06 hans Exp $

--- ckcdeb.h.orig	2010-08-23 15:30:56.000000000 +0200
+++ ckcdeb.h	2011-08-23 10:31:55.103102070 +0200
@@ -4532,7 +4532,6 @@ extern int errno;
   following is an anachronism and should be the execption rather than the
   rule.
 */
-extern int errno;
 #endif /* __GLIBC__ */
 #endif /* OS2 */
 #endif /* VMS */