Added autosize to layer

guacamole-common-js/src/main/resources/guacamole.js

@@ -459,6 +459,7 @@ function GuacamoleClient(display, tunnelURL) {
             // Create buffer if necessary
             if (buffer == null) {
                 buffer = new Layer(0, 0);
+                buffer.setAutosize(1);
                 buffers[index] = buffer;
             }