pgsql: doc: merge ecpg username/password example into C comment

doc: merge ecpg username/password example into C comment

Backpatch to 9.2

per Tom Lane

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/d309be0fb7246cc2ebfbdcb2e4781f956c0d7d12

Modified Files
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doc/src/sgml/ecpg.sgml | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)

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