cleanup so it will go through lint without any fancy grep -v's;

cleanup so it will go through lint without any fancy grep -v's;
change the way SCCS Id's are handled.

SCCS-vsn: usr.sbin/sendmail/src/alias.c 3.28
SCCS-vsn: usr.sbin/sendmail/src/arpadate.c 3.9
SCCS-vsn: usr.sbin/sendmail/src/conf.c 3.42
SCCS-vsn: usr.sbin/sendmail/src/deliver.c 3.60
SCCS-vsn: usr.sbin/sendmail/src/collect.c 3.31
SCCS-vsn: usr.sbin/sendmail/src/err.c 3.17
SCCS-vsn: usr.sbin/sendmail/src/sendmail.h 3.56
SCCS-vsn: usr.sbin/sendmail/src/parseaddr.c 3.37
SCCS-vsn: usr.sbin/sendmail/src/savemail.c 3.24
SCCS-vsn: usr.sbin/sendmail/src/sysexits.c 3.3
SCCS-vsn: usr.sbin/sendmail/src/useful.h 3.7
SCCS-vsn: usr.sbin/sendmail/src/util.c 3.13
SCCS-vsn: usr.sbin/sendmail/src/version.c 3.70
SCCS-vsn: usr.sbin/sendmail/src/main.c 3.58
SCCS-vsn: usr.sbin/sendmail/src/srvrsmtp.c 3.13
SCCS-vsn: usr.sbin/sendmail/src/readcf.c 3.18
SCCS-vsn: usr.sbin/sendmail/src/macro.c 3.8
SCCS-vsn: usr.sbin/sendmail/src/headers.c 3.14
SCCS-vsn: usr.sbin/sendmail/src/stab.c 3.11
SCCS-vsn: bin/rmail/rmail.c 3.6
SCCS-vsn: usr.sbin/sendmail/src/recipient.c 3.31
SCCS-vsn: usr.sbin/sendmail/mailstats/mailstats.c 3.4
SCCS-vsn: usr.sbin/sendmail/src/stats.c 3.4
SCCS-vsn: usr.bin/vacation/vacation.c 3.5
SCCS-vsn: usr.sbin/sendmail/src/usersmtp.c 3.7
SCCS-vsn: usr.sbin/sendmail/src/daemon.c 3.5
SCCS-vsn: usr.sbin/sendmail/src/queue.c 3.8
SCCS-vsn: usr.sbin/sendmail/src/convtime.c 3.2