From f23fef070eb5c6308f16ddd8049fc10756659e7e Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Thu, 26 Sep 2013 13:02:51 +0000
Subject: [PATCH] Remove obsolete MSVC check from pragma guard

 git grep -h -B1 "^#\s*pragma once" | grep -v pragma | sort | uniq

is now clean.

[SVN r85952]
---
 include/boost/type_traits/is_abstract.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/type_traits/is_abstract.hpp b/include/boost/type_traits/is_abstract.hpp
index d88c143..78aceaa 100644
--- a/include/boost/type_traits/is_abstract.hpp
+++ b/include/boost/type_traits/is_abstract.hpp
@@ -1,7 +1,7 @@
 #ifndef BOOST_TT_IS_ABSTRACT_CLASS_HPP
 #define BOOST_TT_IS_ABSTRACT_CLASS_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif