pgsql: The 8.2 patch that added support for an alias on the target table

Log Message:
-----------
The 8.2 patch that added support for an alias on the target table of
UPDATE/DELETE forgot to teach ruleutils.c to display the alias.
Per bug #4141 from Mathias Seiler.

Tags:
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REL8_3_STABLE

Modified Files:
--------------
    pgsql/src/backend/utils/adt:
        ruleutils.c (r1.269 -> r1.269.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/ruleutils.c?r1=1.269&r2=1.269.2.1)