[PATCH]: update leapseconds

[Joseph Myers]

On Tue, 20 Mar 2018, Gianni Tedesco wrote:

> Yeah, well, it's also getting shipped as part of the binary
> distribution, at least on ubuntu, so if it's just test data then that's
> weird...

Distributions should be building from the separate tzdata package, not 
from glibc sources, which haven't installed the binary timezone data for 
several years.

-- 
Joseph S. Myers
joseph@codesourcery.com