xen: compilation fix of drivers/xen/events.c on IA64

use set_xen_guest_handle() instead of direct assigning.

> linux-2.6/drivers/xen/events.c: In function 'xen_poll_irq':
> linux-2.6/drivers/xen/events.c:757: error: incompatible types in assignment
> make[4]: *** [drivers/xen/events.o] Error 1

Signed-off-by: Isaku Yamahata <[email protected]>
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
Cc: Isaku Yamahata <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
1 file changed