Rename "struct session" to "struct sess_con" to avoid conflict with upcoming "struct session" in proc.h.
Rename "struct session" to "struct sess_con" to avoid conflict with
upcoming "struct session" in proc.h.

Requested by:	jasone

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