pgsql: Make error handling of synchronous_standby_names consistent.

Make error handling of synchronous_standby_names consistent.

It's not a good idea to kill the postmaster just because someone muffs
this, and it's not consistent with what we do for other, similar GUCs.

Fujii Masao, with a bit more hacking by me

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/551c07d84ae2f0d3b7dde68e52322edf9cb87ba5

Modified Files
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src/backend/replication/syncrep.c |    6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)