Fixed OS dependent bug in getting the transport plugin directory.
Fixed OS dependent bug in getting the transport plugin directory.

MalmoUniversity-DA366A/calvin-base,les69/calvin-base,EricssonResearch/calvin-base,EricssonResearch/calvin-base,KaptenJon/calvin-base,les69/calvin-base,EricssonResearch/calvin-base,KaptenJon/calvin-base,MalmoUniversity-DA366A/calvin-base,MalmoUniversity-DA366A/calvin-base,KaptenJon/calvin-base,les69/calvin-base,les69/calvin-base,EricssonResearch/calvin-base