wyse T50 problem with key "." layout pt-BR keyboard ABNT2

I'm using Wyse T50 with brazilian ABNT2 keyboard(pt-BR) and the key "."(point) in numeric keyboard does work inside rdpclient. It works fine with console and other apps outside rdpclient but not inside. Using rdpclient with parameter --lx-debug helped to get the keycode 0x79 but I do not how to fix it. I installed Remmina/Rdesktop and all the keys works fine, so I guess the problem is with Wyse-rdpclient/RDP.

Any idea?

Thanks in advance