GUACAMOLE-377: Ensure backing surface of underlying FreeRDP GDI implementation is resized when desktop is resized.
GUACAMOLE-377: Ensure backing surface of underlying FreeRDP GDI implementation is resized when desktop is resized.

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