re: Failure to build -current amd64

[matthew green]

> -    size_t count = from_st->st_size;
>  #if defined _GLIBCXX_USE_SENDFILE && ! defined _GLIBCXX_FILESYSTEM_IS_WINDOWS
> +    size_t count = from_st->st_size;

that looks right to me.  it works and i commited it.

thanks!  and sorry for the breakage.


.mrg.