pass lint. notice that definitions in llib-lc have changed for

pass lint.  notice that definitions in llib-lc have changed for
alarm() and sleep() calls {arg was unsigned, is now int}.

SCCS-vsn: usr.sbin/sendmail/src/alias.c 3.33
SCCS-vsn: usr.sbin/sendmail/src/deliver.c 3.81
SCCS-vsn: usr.sbin/sendmail/src/collect.c 3.40
SCCS-vsn: usr.sbin/sendmail/src/parseaddr.c 3.43
SCCS-vsn: usr.sbin/sendmail/src/savemail.c 3.31
SCCS-vsn: usr.sbin/sendmail/src/util.c 3.16
SCCS-vsn: usr.sbin/sendmail/src/version.c 3.111
SCCS-vsn: usr.sbin/sendmail/src/main.c 3.78
SCCS-vsn: usr.sbin/sendmail/src/recipient.c 3.36
SCCS-vsn: usr.sbin/sendmail/src/readcf.c 3.26
SCCS-vsn: usr.sbin/sendmail/src/macro.c 3.13
SCCS-vsn: bin/rmail/rmail.c 3.11
SCCS-vsn: usr.bin/vacation/vacation.c 3.7
SCCS-vsn: usr.sbin/sendmail/src/usersmtp.c 3.11
SCCS-vsn: usr.sbin/sendmail/src/daemon.c 3.13
SCCS-vsn: usr.sbin/sendmail/src/queue.c 3.16