version: Constify a formal parameter of VerQueryValue{A|W}()

[Felix Nawothnig]

Andrew Talbot wrote:
> I've seen this function represented with the first two parameters
> constified. Is anyone aware of a more const-correct version in the field
> than the one Felix mentions?

Sorry about that, seems they changed the declaration in the new headers 
- I misinterpreted your comment about the first parameter.

What's the problem with it anyway? Just keep adding "const" to internal 
functions until the warnings disappear. :)

Felix