pgsql: REASSIGN OWNED: consider grants on tablespaces, too

REASSIGN OWNED: consider grants on tablespaces, too

Apparently this was considered in the original code (see commit
cec3b0a9) but I failed to notice that such entries would always be
skipped by the database check at the start of the loop.

Per bugs #7578 by Nikolay, #6116 by tushar.qa@gmail.com.

Branch
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REL9_2_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/da24920ab8ea6b22632103845c3c6126c8833ca6

Modified Files
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src/backend/catalog/pg_shdepend.c |    8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)