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);
	}