$NetBSD$

--- src/Client.h.orig	2003-01-18 09:18:12.000000000 -0500
+++ src/Client.h
@@ -25,6 +25,7 @@
 
 #include <sys/types.h>
 #include <netinet/in.h>  // for in_addr
+#include <arpa/inet.h>
 
 #include "Activity.h"
 #include "Boolean.h"
