$OpenBSD: patch-net_dns_dns_util_cc,v 1.2 2016/05/27 06:28:21 robert Exp $
--- net/dns/dns_util.cc.orig.port	Wed May 25 21:01:03 2016
+++ net/dns/dns_util.cc	Thu May 26 08:09:47 2016
@@ -14,6 +14,8 @@
 #include "base/strings/string_split.h"
 #include "build/build_config.h"
 
+#include <sys/socket.h>
+
 #if defined(OS_POSIX)
 #include <netinet/in.h>
 #if !defined(OS_NACL)
