ndb/src/ndbapi/NdbEventOperationImpl.cpp:
  error code 4709 was set outside if()
ndb/src/kernel/blocks/dbtup/DbtupCommit.cpp:
  fix opType for detached triggers (accidental miss since v21x?)
ndb/test/ndbapi/Makefile.am:
  test_event_merge v5.0
ndb/test/ndbapi/test_event_merge.cpp:
  test_event_merge v5.0