[PATCH] inptl: Use 64 bit time_t stat internally for sem_open (BZ #28880)

[Florian Weimer]

* Adhemerval Zanella via Libc-alpha:

> The __sem_check_add_mapping internal stat calls fails with
> EOVERFLOW if system time is larger than 32 bit.
>
> It is a missing spot from 52a5fe70a2c fix to use 64 bit stat
> internally.

Typo in the subject, and this isn't actually nptl-specific, so you could
use pthread.  But I think you will need to come up with caustom solution
for Hurd.

Thanks,
Florian