pgsql: Fix some typos and grammatical mistakes - Mailing list pgsql-committers

Fix some typos and grammatical mistakes

... as well a update copyrights statements to 2013.

Noted by Thom Brown and Peter Geoghegan

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/45919335493291ef43f9b66c81a56d32a562ab5a

Modified Files
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contrib/pg_xlogdump/compat.c      |    2 +-
contrib/pg_xlogdump/pg_xlogdump.c |    2 +-
doc/src/sgml/pg_xlogdump.sgml     |   10 +++++-----
3 files changed, 7 insertions(+), 7 deletions(-)