From 4cb056c80be1b376cc26dd60bf0818292c9db0a0 Mon Sep 17 00:00:00 2001
From: Neil Groves <neilgroves@googlemail.com>
Date: Mon, 3 Mar 2014 12:30:23 +0000
Subject: [PATCH] ticket 5811 - attempt to fix link error on many automated
 regression test hosts.

---
 test/ticket_5811_indirected_optional.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/ticket_5811_indirected_optional.cpp b/test/ticket_5811_indirected_optional.cpp
index 8b4033b..1279a4a 100644
--- a/test/ticket_5811_indirected_optional.cpp
+++ b/test/ticket_5811_indirected_optional.cpp
@@ -10,6 +10,7 @@
 //
 #include <boost/range/adaptor/indirected.hpp>
 #include <boost/optional.hpp>
+#include <boost/optional/optional_io.hpp>
 
 #include <boost/test/test_tools.hpp>
 #include <boost/test/unit_test.hpp>