Redirect fix: Manual + Automatic - Manual = Automatic

A window with redirect manual *and* redirect automatic which loses the
manual redirecting client becomes redirect automatic.

composite/compalloc.c

@@ -220,6 +220,7 @@ compFreeClientWindow (WindowPtr pWin, XID id)
     {
 	DamageRegister (&pWin->drawable, cw->damage);
 	cw->damageRegistered = TRUE;
+	pWin->redirectDraw = RedirectDrawAutomatic;
 	DamageDamageRegion (&pWin->drawable, &pWin->borderSize);
     }
     if (wasMapped && !pWin->mapped)