cffi-clisp: add support for the upcoming 2.45 version
cffi-clisp: add support for the upcoming 2.45 version

CLISP 2.45 introduces a couple of backwards-incompatible changes
to some of the unexported FFI functions we use.

3b/cffi,3b/cffi,wesen/cffi,marsijanin/cffi,akovalenko/cffi,stassats/cffi,dochang/cffi,cffi/cffi,dkochmanski/cffi,kingcheez/cffi-cheez,akovalenko/cffi,3b/cffi,dochang/cffi,dochang/cffi,dkochmanski/cffi,mcna/cffi,kingcheez/cffi-cheez,dkochmanski/cffi,cffi/cffi,kingcheez/cffi-cheez,wesen/cffi,stassats/cffi,marsijanin/cffi,marsijanin/cffi,wesen/cffi,akovalenko/cffi,mcna/cffi,attila-lendvai/cffi,attila-lendvai/cffi,cffi/cffi,stassats/cffi