From ca5b2e246eb6db0fa6aa819786a3df145b5b82fe Mon Sep 17 00:00:00 2001
From: Jinhao <cnjinhao@hotmail.com>
Date: Mon, 1 Feb 2016 00:56:20 +0800
Subject: [PATCH] eliminate a compiler warning

---
 source/paint/detail/image_bmp.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/paint/detail/image_bmp.hpp b/source/paint/detail/image_bmp.hpp
index f868ce8df..da86c0a3f 100644
--- a/source/paint/detail/image_bmp.hpp
+++ b/source/paint/detail/image_bmp.hpp
@@ -305,7 +305,7 @@ namespace nana{	namespace paint
 						}
 					}
 				}
-				
+
 				return true;
 			}
 
@@ -324,7 +324,7 @@ namespace nana{	namespace paint
 					std::unique_ptr<char[]> buffer(new char[static_cast<int>(size)]);
 
 					ifs.read(buffer.get(), size);
-					if (size == ifs.gcount())
+					if (size == static_cast<std::size_t>(ifs.gcount()))
 						return open(buffer.get(), size);
 				}
 				return false;