Add new files for syncrep missed in previous commit

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/966fb05b588ab33a6c99c6a26308941e1b3a1188

Modified Files
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src/backend/replication/syncrep.c |  589 +++++++++++++++++++++++++++++++++++++
src/include/replication/syncrep.h |   48 +++
2 files changed, 637 insertions(+), 0 deletions(-)

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Next:	From: Simon Riggs	Date: 2011-03-06 23:45:51
	Subject: pgsql: Catversion increment for pg_stat_replication changes forsyncrep
Previous:	From: Jaime Casanova	Date: 2011-03-06 23:38:30
	Subject: Re: pgsql: Efficient transaction-controlled synchronous replication.