Re: winmm: fix type-conversions

[Robert Reif]

James Hawkins wrote:
> Hi,
>
> msvc picked up a couple type-conversions problems in winmm.
> -
>        union { float f; char c[4]; } sample;
> -
>        union { double f; char c[4]; } sample;
>       sample.f=y;

A float is 4 bytes and a double is 8.  They are not interchangeable.  
The H/W reads/writes 4 byte floats.