Only output debug colourMap table once.

include/rfb.js

@@ -842,9 +842,9 @@ normal_msg = function() {
             //Util.Debug("red after: " + red);
             green = parseInt(ws.rQshift16() / 256, 10);
             blue = parseInt(ws.rQshift16() / 256, 10);
-            Util.Debug("*** colourMap: " + display.get_colourMap());
             display.set_colourMap([red, green, blue], first_colour + c);
         }
+        Util.Debug("colourMap: " + display.get_colourMap());
         Util.Info("Registered " + num_colours + " colourMap entries");
         //Util.Debug("colourMap: " + display.get_colourMap());
         break;