Don't segv if viewing "#" and there is no prev-file (long-standing). Staticize a variable that was meant to be static (broken in r.1.11).
Don't segv if viewing "#" and there is no prev-file (long-standing).
Staticize a variable that was meant to be static (broken in r.1.11).

PR:		bin/11370 Henry Whincup <3eca10f30041813f045165784e24b5a950a6cc7e@techiebod.com> (for the segv)

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