Log Message:
-----------
Seems we had the wrong sign convention for the default Etc/GMTx zone
names. Per report from Alvaro.
Modified Files:
--------------
pgsql-server/src/timezone:
pgtz.c (r1.12 -> r1.13)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/timezone/pgtz.c.diff?r1=1.12&r2=1.13)