configtool output save patch

[John Dallaway]

Spencer Oliver wrote:

>>> Attached is a minor configtool patch that fixes the output 
>>> window save function - currently disabled and does nothing.
>>
>> Thank you for the patch. Could you adapt your patch to call
>> ecOutputWindow::OnSave() from ecMainFrame::OnSaveOutput() and 
>> avoid the code duplication?
> 
> Is this a bit better?

Thank you for the updated patch. Now checked in with minor changes and
updated file dialog text.

John Dallaway