rule_engine: The lists false_actions and aux_actions are now always allocated.
rule_engine: The lists false_actions and aux_actions are now always allocated.

Nick LeRoy observed that it is possible to crash IronBee by accessing
the false_actions list when no action was added to the list. The
resulting fix ensures that all action lists are treated similarly, that
is, created when the ib_rule_t is created.

b1v1r/ironbee,ironbee/ironbee,ironbee/ironbee,b1v1r/ironbee,b1v1r/ironbee,b1v1r/ironbee,b1v1r/ironbee,b1v1r/ironbee,ironbee/ironbee,b1v1r/ironbee,ironbee/ironbee,ironbee/ironbee,b1v1r/ironbee,ironbee/ironbee,b1v1r/ironbee,ironbee/ironbee,b1v1r/ironbee,b1v1r/ironbee,ironbee/ironbee,ironbee/ironbee,ironbee/ironbee,ironbee/ironbee,b1v1r/ironbee,ironbee/ironbee