Update time zone data files to tzdata release 2018c.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 462402be873dfa252c8ab34ff42a7af252cfa481
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2018-01-27T21:42:44Z
Releases: 9.6.7
Update time zone data files to tzdata release 2018c.

DST law changes in Brazil, Sao Tome and Principe.  Historical corrections
for Bolivia, Japan, and South Sudan.  The "US/Pacific-New" zone has been
removed (it was only a link to America/Los_Angeles anyway).

Files

PathChange+/−
src/timezone/data/tzdata.zi modified +13 −9
src/timezone/known_abbrevs.txt modified +0 −1
src/timezone/tznames/Africa.txt modified +1 −2