[COMMITTERS] pgsql: doc: Document sequence function privileges better

doc: Document sequence function privileges better

Document the privileges required for each of the sequence functions.
This was already in the GRANT reference page, but also add it to the
function description for easier reference.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/696af9ab0a92642978169c227e187a65c2f35f17

Modified Files
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doc/src/sgml/func.sgml | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)