pgsql: Update time zone data files to tzdata release 2008f (DST law

Log Message:
-----------
Update time zone data files to tzdata release 2008f (DST law changes in
Argentina, Bahamas, Brazil, Mauritius, Morocco, Pakistan, Palestine, Paraguay).

Tags:
----
REL8_2_STABLE

Modified Files:
--------------
    pgsql/src/timezone/data:
        africa (r1.4.2.4 -> r1.4.2.5)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/africa?r1=1.4.2.4&r2=1.4.2.5)
        asia (r1.6.2.5 -> r1.6.2.6)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/asia?r1=1.6.2.5&r2=1.6.2.6)
        australasia (r1.4.2.2 -> r1.4.2.3)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/australasia?r1=1.4.2.2&r2=1.4.2.3)
        europe (r1.6.2.3 -> r1.6.2.4)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/europe?r1=1.6.2.3&r2=1.6.2.4)
        leapseconds (r1.5.2.3 -> r1.5.2.4)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/leapseconds?r1=1.5.2.3&r2=1.5.2.4)
        northamerica (r1.6.2.5 -> r1.6.2.6)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/northamerica?r1=1.6.2.5&r2=1.6.2.6)
        southamerica (r1.6.2.5 -> r1.6.2.6)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/southamerica?r1=1.6.2.5&r2=1.6.2.6)
        zone.tab (r1.6.2.4 -> r1.6.2.5)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/timezone/data/zone.tab?r1=1.6.2.4&r2=1.6.2.5)