([C-backspace]): Bind C-backspace to kill-word.

lisp/bindings.el

@@ -766,7 +766,8 @@ language you are using."
 (global-set-key [C-right]  'forward-word)
 (global-set-key [C-left]   'backward-word)
 ;; This is not quite compatible, but at least is analogous
-(global-set-key [C-delete]   'backward-kill-word)
+(global-set-key [C-delete] 'backward-kill-word)
+(global-set-key [C-backspace] 'kill-word)
 ;; This is "move to the clipboard", or as close as we come.
 (global-set-key [S-delete] 'kill-region)