standardize sccs keyword lines

standardize sccs keyword lines

SCCS-vsn: old/ratfor/r0.c 1.2
SCCS-vsn: old/ratfor/r1.c 1.3
SCCS-vsn: old/ratfor/r2.c 1.2
SCCS-vsn: old/ratfor/rio.c 1.2
SCCS-vsn: old/ratfor/rlex.c 1.2
SCCS-vsn: old/ratfor/rlook.c 1.2
SCCS-vsn: old/ratfor/r.h 1.2
SCCS-vsn: old/refer/refer/refer..c 4.2
SCCS-vsn: old/refer/hunt/tick.c 4.2
SCCS-vsn: old/refer/NOTUSED/whatabout/what..c 4.2
SCCS-vsn: usr.bin/struct/struct/1.defs.h 4.2
SCCS-vsn: usr.bin/struct/struct/1.incl.h 4.2
SCCS-vsn: usr.bin/struct/struct/2.def.h 4.2
SCCS-vsn: usr.bin/struct/struct/3.def.h 4.2
SCCS-vsn: usr.bin/struct/struct/4.def.h 4.2
SCCS-vsn: usr.bin/struct/beautify/b.h 4.2
SCCS-vsn: usr.bin/struct/struct/def.h 4.2
SCCS-vsn: old/tbl/t0.c 4.2
SCCS-vsn: old/tbl/t1.c 4.2
SCCS-vsn: old/tbl/t2.c 4.2
SCCS-vsn: old/tbl/t3.c 4.2
SCCS-vsn: old/tbl/t4.c 4.2
SCCS-vsn: old/tbl/t5.c 4.2
SCCS-vsn: old/tbl/t6.c 4.2
SCCS-vsn: old/tbl/t7.c 4.3
SCCS-vsn: old/tbl/t8.c 4.2
SCCS-vsn: old/tbl/t9.c 4.2
SCCS-vsn: old/tbl/tb.c 4.2
SCCS-vsn: old/tbl/tc.c 4.2
SCCS-vsn: old/tbl/te.c 4.2
SCCS-vsn: old/tbl/tf.c 4.2
SCCS-vsn: old/tbl/tg.c 4.2
SCCS-vsn: old/tbl/ti.c 4.2
SCCS-vsn: old/tbl/tm.c 4.2
SCCS-vsn: old/tbl/ts.c 4.2
SCCS-vsn: old/tbl/tt.c 4.2
SCCS-vsn: old/tbl/tu.c 4.2
SCCS-vsn: old/tbl/tv.c 4.3
SCCS-vsn: old/roff/common_source/d.h 4.2
SCCS-vsn: old/roff/common_source/sdef.h 4.2
SCCS-vsn: old/roff/common_source/tdef.h 4.5
SCCS-vsn: old/roff/common_source/tw.h 4.2
SCCS-vsn: old/roff/common_source/v.h 4.2
SCCS-vsn: usr.bin/grep/old.ucb.grep/old.ucb.grep.c 4.3
SCCS-vsn: old/groups/groups.c 4.7
SCCS-vsn: usr.bin/ul/ul.c 4.5
SCCS-vsn: usr.bin/unifdef/unifdef.c 4.4