$OpenBSD: patch-Wnn_etc_gethinsi_c,v 1.1 2017/04/29 14:31:40 espie Exp $
--- Wnn/etc/gethinsi.c.orig
+++ Wnn/etc/gethinsi.c
@@ -52,6 +52,7 @@
 */
 
 #include <stdio.h>
+#include <string.h>
 #include "commonhd.h"
 #include "config.h"
 #include "wnnerror.h"
