pgsql: Fix typos - Mailing list pgsql-committers

Fix typos

From: Alexander Law <exclusion@gmail.com>

Branch
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REL9_6_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/7c7630c2022156d54adf6c1d27c30f2b75138f03

Modified Files
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doc/src/sgml/release-9.6.sgml            | 2 +-
doc/src/sgml/runtime.sgml                | 2 +-
src/backend/access/transam/multixact.c   | 2 +-
src/backend/utils/adt/tsquery.c          | 2 +-
src/test/regress/expected/privileges.out | 2 +-
src/test/regress/sql/privileges.sql      | 2 +-
6 files changed, 6 insertions(+), 6 deletions(-)