Corrected wrong comment in Net.class

[Aleksei Ivanov]

This belongs in nio-dev at openjdk.org.

-- 
Regards,
Alexey

On 29/08/2023 14:45, 科幻片 wrote:
> Hi, All!
>
> I found a incorrect comment on the unblock4() method, so I modify the 
> comment on the unblock4() method, because the original comment will 
> cause people to misunderstand. the PR address is：
> https://github.com/openjdk/jdk/pull/15186
>
> looking forward to your feedback！
>
> cheers,
> shiker1996