re-add line that got lost in last update.

event/stated/stated.in

@@ -116,6 +116,7 @@ my $TBPOWEROFF   = TBDB_COMMAND_POWEROFF;
 my $TBPOWERON    = TBDB_COMMAND_POWERON;
 my $TBPOWERCYCLE = TBDB_COMMAND_POWERCYCLE;
 my $TB_OSID_MBKERNEL = TB_OSID_MBKERNEL;
+my $TBISUP       = TBDB_NODESTATE_ISUP;
 
 # This only gets used here, so it isn't in a lib constant.
 my $TBFREENODE = "FREENODE";