pgsql: Update oidjoins regression test for 9.1 catalog schema additions

Update oidjoins regression test for 9.1 catalog schema additions.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/970d8a39736fd67e3ebf406ed8129eed0767d15d

Modified Files
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src/test/regress/expected/oidjoins.out | 72 ++++++++++++++++++++++++++++
src/test/regress/sql/oidjoins.sql | 36 ++++++++++++++
src/tools/findoidjoins/README | 17 +++++--
src/tools/findoidjoins/make_oidjoins_check | 6 +-
4 files changed, 124 insertions(+), 7 deletions(-)