wxGUI/downloc: put todo note about missing termination

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@71977 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/startup/locdownload.py

@@ -494,6 +494,7 @@ class LocationDownloadDialog(wx.Dialog):
             ret = dlg.ShowModal()
             dlg.Destroy()
 
+            # TODO: terminate download process on wx.ID_YES
             if ret == wx.ID_NO:
                 return