$NetBSD$

--- verify21/verify21-grammar.y.orig	2002-10-18 10:19:20.000000000 +0700
+++ verify21/verify21-grammar.y
@@ -21,6 +21,7 @@
  */
 %{
 
+#include <stdio.h>
 #include <unistd.h>
 
 #include "../defs.h"
