move unmaintained files into outdated folder

If an old port is resurrected to work with current version code, its files
can be relocated to the appropriate sys or win folder as required.

In the meantime, the burden of upkeep can be avoided for the stuff in the
outdated folder for now.

outdated/sys/wince/mhdlg.h

@@ -0,0 +1,17 @@
+/* NetHack 3.6	mhdlg.h	$NHDT-Date: 1432512802 2015/05/25 00:13:22 $  $NHDT-Branch: master $:$NHDT-Revision: 1.8 $ */
+/* Copyright (C) 2001 by Alex Kompel 	 */
+/* NetHack may be freely redistributed.  See license for details. */
+
+#ifndef MSWINDlgWindow_h
+#define MSWINDlgWindow_h
+
+#include "winMS.h"
+#include "config.h"
+#include "global.h"
+
+int mswin_getlin_window(const char *question, char *result,
+                        size_t result_size);
+int mswin_ext_cmd_window(int *selection);
+int mswin_player_selection_window(int *selection);
+
+#endif /* MSWINDlgWindow_h */