shlwapi prototype fixes

[Ge van Geldorp]

> From: Robert Shearman
> 
> > MLLoadLibrary was recently documented by Microsoft.
> > My changes makes it conform to the now-documented prototype
> > so I don't see what's wrong with it?
> 
> Either it is different on Windows XP (my system is Windows 
> 2000 SP4 with IE6 SP1), or they just got it wrong. The fact 
> remains that I have seen an application working perfectly 
> well on Wine whilst using this function as it stands.

Yes, you're right. Ordinals 377 and 378 (MLLoadLibraryA/MLLoadLibraryW)
in both the Win2k and WinXP shlwapi.dll pop 12 bytes from the stack on
return.
I'll resubmit my patch for the other prototypes.

Gé van Geldorp.