Misplacement of the popup

[Fractal]

The gmail-notify popup is sometimes misplaced (generally too high).

Looking at the source, it is due to the function gtk.Window.get_size which doesn't always gives the correct size of the window (see http://www.pygtk.org/docs/pygtk/class-gtkwindow.html#method-gtkwindow--get-size)
I join a patch with which it seems to work.

gmail-notify : 1.6.1-3ubuntu3

Steps to reproduce :
- click the gmail-notify icon to get the plugin
- while the plugin is rising, do anything related to X (opening new window(s), rotating the cube with compiz, etc.)

What happens (sometimes) :
- the popup is not at the height it should be (as specified in the configuration options)