diff -u qmailanalog-0.70.old/error.h qmailanalog-0.70/error.h
--- qmailanalog-0.70.old/error.h	1998-08-30 16:39:27.000000000 -0500
+++ qmailanalog-0.70/error.h	2003-06-01 20:30:24.000000000 -0500
@@ -1,7 +1,7 @@
 #ifndef ERROR_H
 #define ERROR_H
 
-extern int errno;
+#include <errno.h>
 
 extern int error_intr;
 extern int error_nomem;