Implement MsiGetSourcePath

[Mike McCormack]

oops. That's one of Aric's patches, so the ChangeLog should be:

ChangeLog:
<aric at codeweavers.com>
* Implement MsiGetSourcePath
   Implement Binary and Dword data type for registry writing


Mike McCormack wrote:
> 
> ChangeLog:
> * Implement MsiGetSourcePath
>   Implement Binary and Dword data type for registry writing