pgsql: Doc: fix examples of # operators so they actually work.

Doc: fix examples of # operators so they actually work.

These worked as-is until around 7.0, but fail in newer versions because
there are more operators named "#".  Besides it's a bit inconsistent that
only two of the examples on this page lack type names on their constants.

Report: <20160923081530.1517.75670@wrigleys.postgresql.org>

Branch
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REL9_6_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/94e4cac251927e3ce1f66b3d96a03f1f7c3ba3e7

Modified Files
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doc/src/sgml/func.sgml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)