Correctly unicodify winmm/mmio.c

[Eric Pouech]

Vincent Béron wrote:
> Changelog:
> Correctly unicodify winmm/mmio.c.
don't apply this patch, it's plain wrong.
the A<->W message mapping isn't implemented yet, and all our internal 
handlers are still ANSI.
The steps to go are (in order):
- implement A<->W message mapping for MMIO
- translate our internal handlers to unicode
- then apply this patch
A+

-- 
Eric Pouech