$NetBSD: patch-ad,v 1.4 2005/12/31 00:39:01 joerg Exp $

--- scheduler.c.orig	2005-12-30 23:46:23.000000000 +0000
+++ scheduler.c
@@ -9,7 +9,6 @@
 
 #ifdef HAVE_ERRNO_H
 # include <errno.h>
-extern int errno;
 # define C_signal_interrupted_p     C_mk_bool(errno == EINTR)
 #else
 # define C_signal_interrupted_p     C_SCHEME_FALSE