polygon intersection exception.

[anigold]

	std::string str = "POLYGON ((112.3903710739794900 22.3851129617344210, 114.1261324827294900 22.3851129617344210, 114.1261324827294900 23.5479374992368590, 112.3903710739794900 23.5479374992368590, 112.3903710739794900 22.3851129617344210)) ";
	geos::geom::Geometry* pgeom0 = reader.read( str );
		
	str = "POLYGON ((114.0876590000000000 22.5249449999999990, 114.1853440000000000 22.5531790000000000, 114.1704040000000000 22.5438380000000010, 114.1423630000000000 22.5351350000000000, 114.0874290000000000 22.5245199999999990, 114.0892680000000000 22.5255820000000000, 114.0936350000000100 22.5266430000000000, 114.0876590000000000 22.5249449999999990))";
	geos::geom::Geometry* pgeom1 = reader.read( str );

	geos::geom::Geometry* pint = pgeom0->intersection( pgeom1 );

when execute the last line code, the util::TopologyException will be throwed.