Merge pull request #3655 from SteveLauC/FromRawFd_link

fix links of I/O safety RFC

Author: traviscross

text/3128-io-safety.md

@@ -417,21 +417,21 @@ patiently answering my many questions!
 [@RalfJung]: https://github.com/RalfJung
 [`File`]: https://doc.rust-lang.org/stable/std/fs/struct.File.html
 [`TcpStream`]: https://doc.rust-lang.org/stable/std/net/struct.TcpStream.html
-[`FromRawFd`]: https://doc.rust-lang.org/stable/std/os/unix/io/trait.FromRawFd.html
+[`FromRawFd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.FromRawFd.html
 [`FromRawHandle`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.FromRawHandle.html
 [`FromRawSocket`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.FromRawSocket.html
-[`AsRawFd`]: https://doc.rust-lang.org/stable/std/os/unix/io/trait.AsRawFd.html
+[`AsRawFd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.AsRawFd.html
 [`AsRawHandle`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsRawHandle.html
 [`AsRawSocket`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.AsRawSocket.html
-[`IntoRawFd`]: https://doc.rust-lang.org/stable/std/os/unix/io/trait.IntoRawFd.html
+[`IntoRawFd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.IntoRawFd.html
 [`IntoRawHandle`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.IntoRawHandle.html
 [`IntoRawSocket`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.IntoRawSocket.html
-[`RawFd`]: https://doc.rust-lang.org/stable/std/os/unix/io/type.RawFd.html
+[`RawFd`]: https://doc.rust-lang.org/stable/std/os/fd/type.RawFd.html
 [`RawHandle`]: https://doc.rust-lang.org/stable/std/os/windows/io/type.RawHandle.html
 [`RawSocket`]: https://doc.rust-lang.org/stable/std/os/windows/io/type.RawSocket.html
-[`AsRawFd::as_raw_fd`]: https://doc.rust-lang.org/stable/std/os/unix/io/trait.AsRawFd.html#tymethod.as_raw_fd
-[`FromRawFd::from_raw_fd`]: https://doc.rust-lang.org/stable/std/os/unix/io/trait.FromRawFd.html#tymethod.from_raw_fd
-[`from_raw_fd`]: https://doc.rust-lang.org/stable/std/os/unix/io/trait.FromRawFd.html#tymethod.from_raw_fd
+[`AsRawFd::as_raw_fd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.AsRawFd.html#tymethod.as_raw_fd
+[`FromRawFd::from_raw_fd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.FromRawFd.html#tymethod.from_raw_fd
+[`from_raw_fd`]: https://doc.rust-lang.org/stable/std/os/fd/trait.FromRawFd.html#tymethod.from_raw_fd
 [`from_raw_handle`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.FromRawHandle.html#tymethod.from_raw_handle
 [`from_raw_socket`]: https://doc.rust-lang.org/stable/std/os/windows/io/trait.FromRawSocket.html#tymethod.from_raw_socket
 [`std::mem::forget`]: https://doc.rust-lang.org/stable/std/mem/fn.forget.html