OscarL ae9d917760 timezone_data: update to version 2023c (#9519) ...

Set make flags also on BUILD(), otherwise tzselect ended up with
the wrong location for TZDIR.

Previous version failed with:
`/bin/tzselect: time zone files are not set up correctly`

Now it finds the files ok, but trying to use it further causes
/bin/date to crash around 7 times in a row (?! UPDATE: fixed in hrev57356).

`> zdump -v America/Buenos_Aires` also works now, while previously
failed with:

`America/Buenos_Aires: No such file or directory`,

or with:

```
> ln -s /boot/system/data/zoneinfo/America/Buenos_Aires /etc/localtime
> zdump -v /etc/localtime
/etc/localtime: No error
```

Now the latter also works OK.

2023-10-29 20:15:31 +01:00

..

timezone_data-2023c.patchset

timezone_data: update to version 2023c (#9519)

2023-10-29 20:15:31 +01:00