Use Mono.Posix 2.0.0.0 so addin works on Windows.
Use Mono.Posix 2.0.0.0 so addin works on Windows.

Building the Mono.Posix addin on Linux or Mac will use the latest
Mono.Posix 4.0.0.0 which is not available on Windows.

mrward/typescript-addin,mrward/typescript-addin