standardize sccs keyword lines

standardize sccs keyword lines

SCCS-vsn: usr.bin/mail/aux.c 2.11
SCCS-vsn: usr.bin/mail/cmd1.c 2.12
SCCS-vsn: usr.bin/mail/cmd2.c 2.11
SCCS-vsn: usr.bin/mail/cmd3.c 2.14
SCCS-vsn: usr.bin/mail/cmdtab.c 2.10
SCCS-vsn: usr.bin/mail/collect.c 2.15
SCCS-vsn: usr.bin/mail/config.c 1.8
SCCS-vsn: usr.bin/mail/configdefs.h 1.4
SCCS-vsn: usr.bin/mail/def.h 2.13
SCCS-vsn: usr.bin/mail/edit.c 2.5
SCCS-vsn: usr.bin/mail/fio.c 2.16
SCCS-vsn: usr.bin/fmt/fmt.c 2.2
SCCS-vsn: usr.bin/mail/getname.c 2.2
SCCS-vsn: usr.bin/mail/glob.h 2.10
SCCS-vsn: usr.bin/mail/head.c 2.3
SCCS-vsn: usr.bin/mail/lex.c 2.14
SCCS-vsn: usr.bin/mail/list.c 2.3
SCCS-vsn: usr.bin/mail/local.h 2.2
SCCS-vsn: usr.bin/mail/lock.c 2.4
SCCS-vsn: usr.bin/mail/main.c 2.12
SCCS-vsn: usr.bin/mail/names.c 2.9
SCCS-vsn: usr.bin/mail/optim.c 2.9
SCCS-vsn: usr.bin/mail/popen.c 1.7
SCCS-vsn: usr.bin/mail/quit.c 2.7
SCCS-vsn: usr.bin/mail/rcv.h 2.3
SCCS-vsn: usr.bin/mail/send.c 2.13
SCCS-vsn: usr.bin/mail/strings.c 2.2
SCCS-vsn: usr.bin/mail/temp.c 2.3
SCCS-vsn: usr.bin/mail/tty.c 2.7
SCCS-vsn: usr.bin/mail/v7.local.c 2.3
SCCS-vsn: usr.bin/mail/pathnames.h 2.6
SCCS-vsn: usr.bin/mail/vars.c 2.5