fix bug that shobjidl.h isn't supported well on MinGW

2018-06-27 02:45:39 +08:00
parent 3075eccacf
commit a120447716
2 changed files with 66 additions and 22 deletions
--- a/include/nana/gui/filebox.hpp
+++ b/include/nana/gui/filebox.hpp
@@ -16,6 +16,7 @@
 #define NANA_GUI_FILEBOX_HPP
 #include <nana/gui/basis.hpp>
 #include <nana/filesystem/filesystem.hpp>
+#include <nana/optional.hpp>
 #include <vector>
 #include <utility>