pgsql: Doc: fix syntax description for psql's \setenv.

Doc: fix syntax description for psql's \setenv.

The variable name isn't optional --- looks like a copy-and-paste-o from
the \set command, where it is.

Dilip Kumar

Branch
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REL9_2_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/611037d5d46c10e1db5313acce74af328f105445

Modified Files
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doc/src/sgml/ref/psql-ref.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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