pgsql: Fix corruption of 2PC recovery with subxacts

Fix corruption of 2PC recovery with subxacts

Reading 2PC state files during recovery was borked, causing corruptions during
recovery. Effect limited to servers with 2PC, subtransactions and
recovery/replication.

Stas Kelvich, reviewed by Michael Paquier and Pavan Deolasee

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/ec253de1fd2e6002122de80815ac5b963af8277c

Modified Files
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src/backend/access/transam/twophase.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

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