raw: Update with fbfrog fbabd43e (jmp_buf handling)
raw: ffi: Generate proper header for win32/win64; exclude DOS target
makefile: Remove unnecessary if
raw: ffi: Regenerate with fbfrog d4d6ae86 (aligned attribute handling)
raw: ffi: Don't expand FFI_TRAMPOLINE_SIZE
raw: ffi: Don't expand FFI_SIZEOF_ARG