Bugfix: Send clients their absolute position/size in generated configure events, not relative

This fixes ticket #26.

include/xcb.h

@@ -110,6 +110,13 @@ void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable, xcb_gcontext
  */
 void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window);
 
+/**
+ * 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);
+
 /**
  * Finds out which modifier mask is the one for numlock, as the user may change this.
  *