Re: mapistub: add stubbed dll mapistub.dll

[Rob Shearman]

2009/11/23 Louis Lenders :
> This fixes http://bugs.winehq.org/show_bug.cgi?id=20050
>
> The dll is present on my XP system

This DLL is already partially implemented in a DLL called mapi32, so
there should be no need to add this completely stubbed out.