pgsql: Fix docs typo - Mailing list pgsql-committers

Fix docs typo

I don't think "respectfully" is what was meant here ...

Branch
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REL9_1_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/67e7a497d6492852205622a030e8e182c20c56e1

Modified Files
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doc/src/sgml/client-auth.sgml |    4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)