#2 Error on "Change Signature Path".

[Stephen McCrea]

Click the "Preferences" button on the toolbar. Click the "Posting" icon. Click "Change Signature Path" button. An Error Dialog appears with the following text: "Traceback (most recent call last): File "xpn_src\Config_Win.pyc", line 42, in open_filesel_dialog
TypeError: GtkFileChooser.set_current_folder() argument 1 must be string, not None".