PATCH: Add LOAD_ARG[1-6]_TYPE and x32 posix_fallocate.c

[Roland McGrath]

> Does this patch look OK?  There is no need for x32 posix_fallocate.c.

That looks great, but it could use a comment on INLINE_SYSCALL_TYPES
describing how it's used differently from INLINE_SYSCALL (and why it ever
matters).


Thanks,
Roland