From 5d189679fb083739068ef40a0514193592a93bd1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20=C5=81oskot?= <mateusz@loskot.net>
Date: Tue, 18 Sep 2018 20:57:45 +0200
Subject: [PATCH] Base get_num_bits metafunction for T on mpl::size_t instead
 of mpl::int_

Previously used mpl::int_ assumes signed integer, while sizeof(T) is
unsigned and compiler issues warning.
---
 .../boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp b/include/boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp
index 9cec37eac..08318a768 100644
--- a/include/boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp
+++ b/include/boost/gil/extension/toolbox/metafunctions/get_num_bits.hpp
@@ -22,6 +22,7 @@
 #include <boost/gil/channel.hpp>
 
 #include <boost/mpl/int.hpp>
+#include <boost/mpl/size_t.hpp>
 #include <boost/type_traits/is_integral.hpp>
 #include <boost/type_traits/is_class.hpp>
 #include <boost/utility/enable_if.hpp>
@@ -64,7 +65,7 @@ struct get_num_bits< T
                                                   , mpl::not_< is_class< T > >
                                                   >
                                        >::type
-                   > : mpl::int_< sizeof(T) * 8 >
+                   > : mpl::size_t< sizeof(T) * 8 >
 {};
 
 } // namespace gil