Implement size for buffers.

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

@@ -655,6 +655,9 @@ Guacamole.Client = function(tunnel) {
             var width = parseInt(parameters[1]);
             var height = parseInt(parameters[2]);
 
+            // If not buffer, resize layer and container
+            if (layer_index >= 0) {
+
                 // Resize layer
                 var layer_container = getLayerContainer(layer_index);
                 layer_container.resize(width, height);
@@ -675,6 +678,14 @@ Guacamole.Client = function(tunnel) {
 
                 }
 
+            }
+
+            // If buffer, resize layer only
+            else {
+                var layer = getBufferLayer(parseInt(parameters[0]));
+                layer.resize(width, height);
+            }
+
         },
         
         "start": function(parameters) {