is the old CMH club in the "bump out" part of the terminal in this screen cap from google maps? If so, looks like it's a gate now, as it has a jet bridge attached. it's in the right place on the map from the former TWA club which became the HP club.
Clearly it's much easier to get a club if there is existing square footage that can me remodeled rather than added to an existing exterior of a building.

e little