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.

Modified Files:
--------------
pgsql/src/backend/utils/adt:
ruleutils.c (r1.272 -> r1.273)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/ruleutils.c?r1=1.272&r2=1.273)