pgsql: Add missing serial commas - Mailing list pgsql-committers

Add missing serial commas

Also update one place where the wal_level "logical" was not added to an
error message.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/d38228fe4029cce3af396bf5b1728d8000ab32c8

Modified Files
--------------
src/backend/access/transam/xlog.c      |    4 ++--
src/backend/access/transam/xlogfuncs.c |    2 +-
src/backend/postmaster/postmaster.c    |    4 ++--
src/backend/utils/adt/json.c           |    2 +-
src/test/regress/expected/json.out     |    6 +++---
src/test/regress/expected/json_1.out   |    6 +++---
6 files changed, 12 insertions(+), 12 deletions(-)