File errno.patch of Package daemontools

--- src/error.h.orig	2003-12-05 11:58:17.000000000 -0800
+++ src/error.h	2003-12-05 11:58:24.000000000 -0800
@@ -3,7 +3,7 @@
 #ifndef ERROR_H
 #define ERROR_H
 
-extern int errno;
+#include <errno.h>
 
 extern int error_intr;
 extern int error_nomem;