kernel: Fix asynchronous event polling interface

Commit 76b3518ce6 ("kernel: Make statements evaluate boolean
expressions") changed the type of is_polling in the struct _poller
from int to bool. In the conversion a "0" has been changed into "true"
instead of "false". Fix that.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
1 file changed