$OpenBSD$

From f4cc2fd08b5b3a8e5fb1b37e4d2a988962ab9d61 Mon Sep 17 00:00:00 2001
From: Jasper Lievisse Adriaanse <jasper@humppa.nl>
Date: Mon, 25 Jan 2016 09:50:35 +0100
Subject: [PATCH] include sys/socket.h on non-win32 which is required for AF_INET/AF_INET6

--- src/nslookup.c.orig	Sun Jan 24 21:25:21 2016
+++ src/nslookup.c	Sun Jan 24 21:25:45 2016
@@ -6,6 +6,7 @@
 #include <ws2tcpip.h>
 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
 #else
+#include <sys/socket.h>
 #include <netdb.h>
 #include <arpa/inet.h>
 #endif
