[tz] [PATCH] Support time stamps past 2038 in zones like America/Santiago.

[Zefram]

Paul Eggert wrote:
>This entails a minor change to the binary tz file format, to allow
>a minor extension to the POSIX TZ setting in the binary file,
>instead of requiring a pure POSIX TZ setting.

Sounds good to me.

-zefram