Log Message:
-----------
Revert gincostestimate changes.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
selfuncs.c (r1.224 -> r1.225)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/selfuncs.c.diff?r1=1.224&r2=1.225)