[COMMITTERS] pgsql: Fix typo: < one column or expression indexes, perhaps using

[Bruce Momjian]

Log Message:
-----------
Fix typo:

<   one column or expression indexes, perhaps using per=index statistics
>   one column or expression indexes, perhaps using per-index statistics

Modified Files:
--------------
    pgsql/doc:
        TODO (r1.1382 -> r1.1383)
        
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1382&r2=1.1383)

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