pgsql: Fix point <-> polygon code for zero-distance case.

Fix point <-> polygon code for zero-distance case.

"PG_RETURN_FLOAT8(x)" is not "return x", except perhaps by accident
on some platforms.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/9418820efb32e739706cc3860347089315562ee4

Modified Files
--------------
src/backend/utils/adt/geo_ops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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