[Dx4win] Small bug in Winkey settings dialog

[Pete Smith N4ZR]

Unless I'm doing something wrong, there seems to be a bug in the Winkey 
settings dialog.  If you change parameters and OK out of the dialog, the 
program gives an error message indicating that it could not open the 
Winkey serial port.  I infer from this that it is trying to send the 
changed settings to the Winkeyer, but the main program already has 
control of the port (when the Winkey keyboard window is open, at 
least).  Since the only way the Winkey parameters can be accessed (that 
I have discovered) is via right click in the Keyboard window, this 
creates a bit of a conundrum.  Fortunately, the parameters are saved, so 
the next time the program is started, they are loaded properly.

-- 
73, Pete N4ZR
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