one of the most annoying problems while using bling is that when E
segfaults it will launch an alert window, but since composite manager
is using the same process/connection as e17, it will not die and e
will not compose as required, so you basically end with a black
this patch will forcely turn off manual redirection and you'll get the
white-screen-of-death, being able to restart e17.
future: if we really do composite in e18, then please handle this in a
SVN revision: 39741