[PATCH] localedata: Refer to Eswatini instead of Swaziland.

[Collin Funk]

Collin Funk <collin.funk1@gmail.com> writes:

> The name was changed in 2018 [1].
>
> The name is not used in locale/programs/ld-address.c so this does not
> change any binaries or data.
>
> [1] https://www.un.org/en/about-us/member-states/eswatini

Forgot the DCO, just going to add here:

Signed-off-by: Collin Funk <collin.funk1@gmail.com>