kernel32: MultiByteToWideChar: MB_USEGLYPHCHARS fix

[Robert Shearman]

Andrew O. Shadoura wrote:
> MB_USEGLYPHCHARS  Use glyph characters instead of control characters.
> 'control characters' in this context are _Unicode_ characters below U+0020.
> dst is a pointer to WCHAR string - this means it is Unicode string. So,
> we don't need to take into account any codepages, because codepage of dst
> is Unicode

Yes, you're right. However, like Dmitry said, I think this should be 
implemented in the in libs/wine instead of MultiByteToWideChar.

-- 
Rob Shearman