Combine WINE_WAVEOUT and WINE_WAVEIN into single structure

[Robert Reif]

Jeremy White wrote:

> This combines the WINE_WAVEOUT and WINE_WAVEIN structures into
> a single WINE_WAVECOMMON structure, as most of the fields were
> duplicated anyways.  This patch should not change any
> functionality, but will allow for some elimination
> of duplicate code in an upcoming patch.
>
> (Credit Alexandre for suggestion the combination into a single
> structure).
>
>+}   WINE_WAVECOMMON;
>  
>
Could you call it WINE_WAVEDEV or WINE_WAVEDEVICE?