bump the scan generation number before iterating so we're guaranteed to have a value that's not been used before; this fixes the problem where the first traversal of the scan list did nothing because the entries were initialized with the current generation number (a separate issue)
bump the scan generation number before iterating so we're guaranteed
to have a value that's not been used before; this fixes the problem
where the first traversal of the scan list did nothing because the
entries were initialized with the current generation number (a
separate issue)

MFC after:	1 week

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