add 1994 copyright

add 1994 copyright

SCCS-vsn: bin/ps/extern.h 8.3
SCCS-vsn: bin/ps/fmt.c 8.3
SCCS-vsn: bin/ps/keyword.c 8.5
SCCS-vsn: bin/ps/nlist.c 8.4
SCCS-vsn: bin/ps/print.c 8.5
SCCS-vsn: bin/ps/ps.c 8.4
SCCS-vsn: bin/rmdir/rmdir.c 8.3
SCCS-vsn: bin/sleep/sleep.c 8.3
SCCS-vsn: bin/stty/cchar.c 8.5
SCCS-vsn: bin/stty/gfmt.c 8.6
SCCS-vsn: bin/stty/key.c 8.3
SCCS-vsn: bin/stty/modes.c 8.3
SCCS-vsn: bin/stty/print.c 8.5
SCCS-vsn: bin/stty/stty.c 8.3
SCCS-vsn: bin/stty/util.c 8.3
SCCS-vsn: bin/test/operators.c 8.3
SCCS-vsn: bin/test/operators.h 8.3
SCCS-vsn: bin/test/test.c 8.3
SCCS-vsn: usr.bin/apropos/apropos.c 8.7
SCCS-vsn: usr.bin/ar/append.c 8.3
SCCS-vsn: usr.bin/ar/ar.c 8.3
SCCS-vsn: usr.bin/ar/archive.c 8.3
SCCS-vsn: usr.bin/ar/archive.h 8.3
SCCS-vsn: usr.bin/ar/contents.c 8.3
SCCS-vsn: usr.bin/ar/delete.c 8.3
SCCS-vsn: usr.bin/ar/extern.h 8.3
SCCS-vsn: usr.bin/ar/extract.c 8.3
SCCS-vsn: usr.bin/ar/misc.c 8.3
SCCS-vsn: usr.bin/ar/move.c 8.3
SCCS-vsn: usr.bin/ar/print.c 8.3
SCCS-vsn: usr.bin/ar/replace.c 8.3
SCCS-vsn: usr.bin/banner/banner.c 8.3
SCCS-vsn: usr.bin/basename/basename.c 8.3
SCCS-vsn: usr.bin/cal/cal.c 8.4
SCCS-vsn: usr.sbin/vipw/vipw.c 8.3
SCCS-vsn: usr.sbin/vipw/pw_util.c 8.3
SCCS-vsn: usr.sbin/pwd_mkdb/pw_scan.c 8.3
SCCS-vsn: usr.sbin/pwd_mkdb/pwd_mkdb.c 8.3
SCCS-vsn: usr.bin/chpass/chpass.c 8.4
SCCS-vsn: usr.bin/chpass/chpass.h 8.4
SCCS-vsn: usr.bin/chpass/edit.c 8.3
SCCS-vsn: usr.bin/chpass/field.c 8.4
SCCS-vsn: usr.bin/chpass/pw_copy.c 8.4
SCCS-vsn: usr.bin/chpass/table.c 8.3
SCCS-vsn: usr.bin/chpass/util.c 8.4
SCCS-vsn: usr.bin/cmp/cmp.c 8.3
SCCS-vsn: usr.bin/cmp/extern.h 8.3
SCCS-vsn: usr.bin/cmp/misc.c 8.3
SCCS-vsn: usr.bin/cmp/regular.c 8.3
SCCS-vsn: usr.bin/cmp/special.c 8.3
SCCS-vsn: usr.bin/col/col.c 8.3
SCCS-vsn: usr.bin/column/column.c 8.3
SCCS-vsn: usr.bin/login/klogin.c 8.3
SCCS-vsn: usr.bin/comm/comm.c 8.3
SCCS-vsn: usr.bin/ctags/C.c 8.4
SCCS-vsn: usr.bin/ctags/ctags.c 8.3
SCCS-vsn: usr.bin/ctags/ctags.h 8.3
SCCS-vsn: usr.bin/ctags/fortran.c 8.3
SCCS-vsn: usr.bin/ctags/lisp.c 8.3
SCCS-vsn: usr.bin/ctags/print.c 8.3
SCCS-vsn: usr.bin/ctags/tree.c 8.3
SCCS-vsn: usr.bin/ctags/yacc.c 8.3
SCCS-vsn: usr.bin/dirname/dirname.c 8.3
SCCS-vsn: usr.bin/env/env.c 8.3
SCCS-vsn: usr.bin/su/su.c 8.3