pgsql: doc: Fix typos - Mailing list pgsql-committers

doc: Fix typos

From: Alexander Law <exclusion@gmail.com>

Branch
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REL9_4_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/e301d52941fa39b60ffea79dc67f8da6d340c1e8

Modified Files
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doc/src/sgml/ecpg.sgml     | 4 ++--
doc/src/sgml/protocol.sgml | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)