ndb/src/ndbapi/NdbScanOperation.cpp:
  Extra printout if DEBUG_NEXT_RESULT
  Set theError.code so one can't call nextResult after it has once returned 1
ndb/test/ndbapi/ScanFunctions.hpp:
  Update testcases
ndb/test/ndbapi/testScan.cpp:
  ScanWitoutOpenScan isn't really relevent anymore