re-enable sending fake configure notifies

include/xcb.h

@@ -127,14 +127,12 @@ void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
  */
 void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window);
 
-#if 0
 /**
  * Generates a configure_notify_event with absolute coordinates (relative to
  * the X root window, not to the client’s frame) for the given client.
  *
  */
-void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client);
-#endif
+void fake_absolute_configure_notify(Con *con);
 
 /**
  * Finds out which modifier mask is the one for numlock, as the user may