$NetBSD: patch-ac,v 1.1.1.1 2003/03/16 03:56:27 rh Exp $

--- igs/sock.cc.orig	2002-11-27 07:35:46.000000000 +1000
+++ igs/sock.cc
@@ -16,6 +16,7 @@ extern "C" {
 #include <sys/socket.h>
 #include <unistd.h>
 #include <netdb.h>
+#include <netinet/in.h>
 }
 #include <cerrno>