[PATCH v2] login: Use unsigned 32-bit types for seconds-since-epoch

[Florian Weimer]

* Andreas Schwab:

> On Apr 08 2024, Florian Weimer wrote:
>
>> +* The functions enduten, endutxent, getutent, getutent_r, getutid,
>                    endutent

Thanks, fixed locally.

Florian