pgsql: In pg_upgrade, allow tables using regclass to be upgraded becaus

In pg_upgrade, allow tables using regclass to be upgraded because we
preserve pg_class oids since PG 9.0.

Branch
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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/ec218056feb4533932bce4af820523829d831f92

Modified Files
--------------
contrib/pg_upgrade/check.c  |    2 +-
doc/src/sgml/pgupgrade.sgml |    2 +-
2 files changed, 2 insertions(+), 2 deletions(-)