--- error.h	2001-07-12 18:49:49.000000000 +0200
+++ error.h.orig	2003-08-24 00:47:33.000000000 +0200
@@ -3,7 +3,7 @@
 #ifndef ERROR_H
 #define ERROR_H
 
-extern int errno;
+#include <errno.h>
 
 extern int error_intr;
 extern int error_nomem;