bootparamd/callbootd(8): Raise WARNS to 2.
cron(8): Raise WARNS to 2 and fix warnings.
ifmcstat(8): Raise WARNS to 3 and fix warnings.
rpcbind(8): Raise WARNS to 3 and fix warnings.
sdpd(8): Raise WARNS to 2 and fix warnings.
tcpd{chk,match}(8): Raise WARNS to 2 and fix warnings.
libopie: Raise WARNS to 2 and fix warnings.