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

[Felix Nawothnig]

Andrew Talbot wrote:
> -BOOL WINAPI VerQueryValueA( LPVOID pBlock, LPSTR lpSubBlock,
> +BOOL WINAPI VerQueryValueA( LPVOID pBlock, LPCSTR lpSubBlock,

This is wrong - in the PSDK headers it's LPSTR (the first parameter 
should be const though).

Felix