[COMMITTERS] pgsql: Revert gincostestimate changes.

[Teodor Sigaev]

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)

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