ndb/src/mgmclient/CommandInterpreter.cpp:
  Not start event thread when ndb_mgm client is running in executing (-e) mode.
ndb/src/mgmclient/main.cpp:
  Not start event thread when ndb_mgm is runing in executing (-e) mode.
ndb/src/mgmclient/ndb_mgmclient.hpp:
  Not start event thread when ndb_mgm is running in executing (-e) mode.