[PATCH wireguard-go] tun: use ByteSliceToString from golang.org/x/sys/unix

[Tobias Klauser]

On 2022-06-01 at 11:33:54 +0200, Tobias Klauser <tklauser at distanz.ch> wrote:
> Use unix.ByteSliceToString in (*NativeTun).nameSloce to convert the
                                             ^- this should say
					     `nameSlow`

I can fix it up in a v2 patch if needed.