winmm GetDevCaps better pointer check patch

[Robert Shearman]

On Sun, 2004-06-06 at 19:26, Robert Reif wrote:
> Not a real program but Microsoft's API checking programs do
> try non NULL bad pointers and expect an error return rather
> than a program crash.
> 
> Are you saying checking a good pointer can cause problems?

No, checking a bad pointer can cause problems.
See:
http://blogs.msdn.com/LarryOsterman/archive/2004/05/18/134471.aspx

Rob