bad copyright years

[Glenn Morris]

These files still have bad Copyright years:

Makefile.in

lisp/progmodes:
cc-align.el
cc-awk.el
cc-cmds.el
cc-compat.el
cc-defs.el
cc-engine.el
cc-langs.el
cc-menus.el
cc-mode.el
cc-styles.el
cc-vars.el
vhdl-mode.el


Should things of the form "1992-2003" be expanded to every member
year?