From 66ae128156656f01afb0bdb1bb444cd3f5993104 Mon Sep 17 00:00:00 2001
From: Aleksey Gurtovoy <agurtovoy@meta-comm.com>
Date: Sun, 17 Nov 2002 07:42:57 +0000
Subject: [PATCH] add missing include

[SVN r16301]
---
 include/boost/preprocessor/control/expr_if.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/preprocessor/control/expr_if.hpp b/include/boost/preprocessor/control/expr_if.hpp
index 76120fa..8b4395f 100644
--- a/include/boost/preprocessor/control/expr_if.hpp
+++ b/include/boost/preprocessor/control/expr_if.hpp
@@ -17,6 +17,7 @@
 #
 # include <boost/preprocessor/config/config.hpp>
 # include <boost/preprocessor/control/expr_iif.hpp>
+# include <boost/preprocessor/logical/bool.hpp>
 #
 # /* BOOST_PP_EXPR_IF */
 #