GUACAMOLE-222: Ensure files downloaded via SFTP are explicitly closed upon completion.
GUACAMOLE-222: Ensure files downloaded via SFTP are explicitly closed upon completion.

mike-jumper/incubator-guacamole-server,mike-jumper/incubator-guacamole-server,mike-jumper/incubator-guacamole-server,glyptodon/guacamole-server,glyptodon/guacamole-server,glyptodon/guacamole-server,apache/guacamole-server,apache/guacamole-server,apache/guacamole-server,mike-jumper/incubator-guacamole-server