[PATCH v4 13/13] rust: init: update expanded macro explanation

[Alice Ryhl]

Benno Lossin <benno.lossin@xxxxxxxxx> writes:
> The previous patches changed the internals of the macros resulting in
> the example expanded code being outdated. This patch updates the example
> and only changes documentation.
> 
> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@xxxxxxxxx>
> Signed-off-by: Benno Lossin <benno.lossin@xxxxxxxxx>

Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>