pgsql: Fix some bogosities in geometric-function documentation: add an - Mailing list pgsql-committers

Log Message:
-----------
Fix some bogosities in geometric-function documentation: add an entry
for circle(polygon), which was missing; remove bogus entry for
point(lseg, lseg), which does not exist, and the documentation seemed to
describe lseg_interpt, which we already document as an operator not a
function.  Also remove entry for box_intersect, which likewise is
preferentially used via the operator #.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        func.sgml (r1.266 -> r1.267)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml.diff?r1=1.266&r2=1.267)