jakesmith/HPCC-Platform — comment on commit 62f8eaa20ebed383e1a586a0a19b03527c205c48
File: thorlcr/activities/aggregate/thaggregateslave.cpp line 155
By richardkchapman:

Need to check that nothing else derives from AggregatSlaveBase and thus needs to call this... if nothing else derives from it makes me wonder why it's there...

Might make sense if start() is virtual, but if so code would be clearer if the overriding functions specified virtual