sql_freeresult() should be called in feed base class

	function get_item()

	{

		static $result;

		if (!isset($result))

		{

			if (!$this->get_sql())

			{

				return false;

			}

			// Query database

			$sql = $this->db->sql_build_query('SELECT', $this->sql);

			$result = $this->db->sql_query_limit($sql, $this->num_items);

		}

		return $this->db->sql_fetchrow($result);

	}