bug#21276: 25.0.50; Hyper remapping no longer works on Windows

[Eli Zaretskii]

> From: Aankhen <aankhen@gmail.com>
> Date: Sun, 16 Aug 2015 15:00:05 +0530
> 
> 1. emacs -Q
> 2. Evaluate:
> (setq w32-lwindow-modifier 'hyper
> w32-pass-lwindow-to-system nil)
> 
> (global-set-key (kbd "H-k") 'kill-word)
> 3. H-k
> 
> Expected: `kill-word' executed
> Actual: `k' inserted
> 
> This fixes the problem: (setq w32-use-fallback-wm-chars-method t)

Could you please take a look at this problem?  Thanks.