[issue35947] Update libffi_msvc to current version of libffi

[Paul Monson]

Change by Paul Monson <paulmons at gmail.com>:


----------
keywords: +patch, patch, patch, patch
pull_requests: +11803, 11804, 11805, 11806
stage:  -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35947>
_______________________________________