This entry is misleading, the actual signal handler is
another one that never uses sig_info.

Also remove the SIGALRM if inside sig_handler() for the
same reason.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Acked-by: NAnton Ivanov <anton.ivanov@cambridgegreys.co.uk>
Signed-off-by: NRichard Weinberger <richard@nod.at>