pgsql: Fix typo. - Mailing list pgsql-committers

Fix typo.

Per Josh Kupershmidt and Tom Lane.

Branch
------
REL9_1_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/a3903f1bf8e3ecd0589725ed1efbc9208d03f336

Modified Files
--------------
doc/src/sgml/ref/psql-ref.sgml |    2 +-
1 files changed, 1 insertions(+), 1 deletions(-)