Patch HXC THOMSON FD

Patch Pour le support des fichiers Thomson FD doubles faces sur les logiciels Hxcfe et hxcfloppyemulator et ajout de l'export (Writer) au format FD des disquettes simples et doubles faces
T. Missonier (sourcezax@users.sourceforge.net )
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// Copyright (C) 2006-2016 Jean-François DEL NERO
// This file is part of HxCFloppyEmulator.
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