Fix fileutils for Windows
* Don't define _Py_wstat() on Windows, Windows has its own _wstat() function
with a different API (the stat buffer has another type)
* Include windows.h
diff --git a/Include/fileutils.h b/Include/fileutils.h
index 2971d9d..9b2d34d 100644
--- a/Include/fileutils.h
+++ b/Include/fileutils.h
@@ -11,7 +11,7 @@
PyAPI_FUNC(char*) _Py_wchar2char(
const wchar_t *text);
-#if defined(MS_WINDOWS) || defined(HAVE_STAT)
+#if defined(HAVE_STAT) && !defined(MS_WINDOWS)
PyAPI_FUNC(int) _Py_wstat(
const wchar_t* path,
struct stat *buf);