From eb5ea6bdd6fa45f03425ea38b8d1b16fd5ff7469 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 31 Mar 2014 13:21:13 +0200
Subject: [PATCH] Fixes build on some old systems.

---
 sysdep/linux/sysio.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h
index 56c3387d..dc807392 100644
--- a/sysdep/linux/sysio.h
+++ b/sysdep/linux/sysio.h
@@ -122,6 +122,8 @@ sysio_leave_group(sock *s, ip_addr maddr)
 #define TCP_MD5SIG  14
 #define TCP_MD5SIG_MAXKEYLEN 80
 
+#include <linux/types.h>
+
 struct tcp_md5sig {
   struct  sockaddr_storage tcpm_addr;             /* address associated */
   __u16   __tcpm_pad1;                            /* zero */