pgsql: Fix object identities for text search objects

Fix object identities for text search objects

We were neglecting to schema-qualify them.

Backpatch to 9.3, where object identities were introduced as a concept
by commit f8348ea32ec8.

Branch
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REL9_3_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/0bf52bd990f324440c1cb9cc88e69ba7b9688410

Modified Files
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src/backend/catalog/objectaddress.c |   29 +++++++++++++++++++++--------
1 file changed, 21 insertions(+), 8 deletions(-)