[COMMITTERS] pgsql: Fix a couple of missed None -> DestNone in comments.

[Tom Lane]

Log Message:
-----------
Fix a couple of missed None -> DestNone in comments.

Modified Files:
--------------
    pgsql/src/backend/tcop:
        pquery.c (r1.96 -> r1.97)
        
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/tcop/pquery.c.diff?r1=1.96&r2=1.97)

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