scripts/functions: only use passive FTP

Virtually all FTP server available on-line support passive FTP.
At least, this is the case for the servers crosstool-NG needs to
connect to.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

python

import sys

sys.path.insert(0, '@@PREFIX@@/share/gcc-@@VERSION@@/python')

from libstdcxx.v6.printers import register_libstdcxx_printers

register_libstdcxx_printers (None)

end