From 86dd3be0476077ff6ce40ef2c23a3a2ef82d7ff4 Mon Sep 17 00:00:00 2001
From: mat007 <mat007@860be788-9bd5-4423-9f1e-828f051e677b>
Date: Sun, 22 Jul 2012 09:47:43 +0000
Subject: [PATCH] Added missing include

git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@526 860be788-9bd5-4423-9f1e-828f051e677b
---
 turtle/detail/check.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/turtle/detail/check.hpp b/turtle/detail/check.hpp
index 3af3f10..6fd462a 100644
--- a/turtle/detail/check.hpp
+++ b/turtle/detail/check.hpp
@@ -11,6 +11,7 @@
 
 #include "is_functor.hpp"
 #include "../log.hpp"
+#include "../constraint.hpp"
 #include <boost/utility/enable_if.hpp>
 #include <boost/noncopyable.hpp>
 #include <boost/ref.hpp>