Log Message:
-----------
Update to tzdata 2008a distribution (Chilean DST law change).
Modified Files:
--------------
pgsql/src/timezone/data:
leapseconds (r1.7 -> r1.8)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/leapseconds?r1=1.7&r2=1.8)
southamerica (r1.9 -> r1.10)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/southamerica?r1=1.9&r2=1.10)