From f1d8f513bf0436ad6bea4a695b6f06c413352cfc Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 25 Jan 2008 21:18:27 +0000
Subject: [PATCH] Merged from trunk

[SVN r42973]
---
 test/tribool_io_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/tribool_io_test.cpp b/test/tribool_io_test.cpp
index d7254f1..84bce90 100644
--- a/test/tribool_io_test.cpp
+++ b/test/tribool_io_test.cpp
@@ -8,6 +8,7 @@
 #include <sstream>
 #include <string>
 #include <iostream>
+#include <ios>     // for std::boolalpha
 
 #ifndef BOOST_NO_STD_LOCALE
 #  include <locale>