From 72768fd788a5a6efdabeec0d17594e11c12dbc02 Mon Sep 17 00:00:00 2001
From: dankan1890 <mewuidev2@gmail.com>
Date: Thu, 30 Jun 2016 20:46:02 +0200
Subject: [PATCH] fix PNG build.

---
 source/paint/detail/image_png.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/paint/detail/image_png.hpp b/source/paint/detail/image_png.hpp
index 9e01e8c6..30ba18e5 100644
--- a/source/paint/detail/image_png.hpp
+++ b/source/paint/detail/image_png.hpp
@@ -121,7 +121,7 @@ namespace nana
 				delete[] row_ptrs;
 			}
 		public:
-			bool open(const experimental::filesystem::path& png_file) override
+			bool open(const std::experimental::filesystem::path& png_file) override
 			{
 				auto fp = ::fopen(to_osmbstr(to_utf8(png_file.native())).c_str(), "rb");
 				if(nullptr == fp) return false;