busybox

acpid: close fds which are reported as dead (POLLERR/POLLHUP/POLLNVAL) by poll.

function                                             old     new   delta
acpid_main                                          1159    1229     +70
packed_usage                                       28977   28980      +3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>