Alphabetically reorder the forward-declarations of the structures. Add the declaration for enum idtype, to be used later.
Alphabetically reorder the forward-declarations of the structures.
Add the declaration for enum idtype, to be used later.

Reported and reviewed by:	bde
MFC after:	28 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase