$OpenBSD: patch-engine_CannaRk_c,v 1.1 2010/05/19 14:05:37 espie Exp $
--- engine/CannaRk.c.orig	Wed May 19 16:00:31 2010
+++ engine/CannaRk.c	Wed May 19 16:00:38 2010
@@ -25,6 +25,7 @@ int ONEW_kanamode;
 
 #include <ctype.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <canna/RK.h>
 #include <canna/jrkanji.h>