daemontools-error.h.patch

--- src/error.h.orig	2001-07-13 01:49:49.000000000 +0900
+++ src/error.h	2005-07-19 13:45:46.000000000 +0900
@@ -3,7 +3,7 @@
 #ifndef ERROR_H
 #define ERROR_H
 
-extern int errno;
+#include <errno.h>
 
 extern int error_intr;
 extern int error_nomem;