This change now avoids relax from crashing on Windows when the directory does not exist and follows
a post by Ed at: https://mail.gna.org/public/relax-devel/2008-07/msg00047.html (message ID:
7f080ed10807291455k1d11d51fpdb2382806e55efdb@...).
Note that the directory separators are fine in Windows using the current syntax ('/').
Also, note that this change is temporary as the temporary directory should be placed in an user
accessible location and created as proposed by Ed in a post at:
https://mail.gna.org/public/relax-devel/2008-07/msg00048.html (message ID:
7f080ed10807291507x5b6aab2fv820a6fc219fc7e2b@...).
