Merge branch 'mr/opt-set-ptr'

OPT_SET_PTR() implementation was broken on IL32P64 platforms; it turns out that the macro is not used by any real user. * mr/opt-set-ptr: parse-options: remove unused OPT_SET_PTR parse-options: add cast to correct pointer type to OPT_SET_PTR MSVC: fix t0040-parse-options crash