win64 - win32.oaidl.VARIANT -> error LNK2019

[deed via Digitalmars-d-learn]

> Your link is failing because the .init value of the struct is 
> not found. The .init will be in the object file corresponding 
> to the module where the struct is defined, so to fix the linker 
> error, add the win32.oaidl module to the list of modules you're 
> compiling and linking. An easy way to do that is to use rdmd 
> instead of dmd to build your program.

Thank you for your prompt reply and maintaining the bindings on 
GitHub!

I used dub (with dmd). The win32 files reside in another 
directory and the path is specified in "importPaths". If I 
understand you correctly, the oaidl.d file should also be 
specified in "sourceFiles" in the .json file?