$OpenBSD: patch-stun_tools_stund_c,v 1.3 2011/03/02 07:32:04 jasper Exp $
--- stun/tools/stund.c.orig	Fri Jan 21 00:13:53 2011
+++ stun/tools/stund.c	Sat Feb 19 09:45:19 2011
@@ -58,6 +58,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include <limits.h>
+#include <sys/uio.h>
 
 #ifndef SOL_IP
 # define SOL_IP IPPROTO_IP
