storage/ndb/src/kernel/blocks/ndbfs/Ndbfs.cpp:
  change MaxNoOfOpenFiles's default value to 0, that means no max openning files limitation 
  in ndbfs when user doesnot set explicitly the value in config.ini;
  Meanwhile, if user set a specific value of MaxNoOfOpenFile and hit the max limiation, he 
  deserves the result.
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  change default to 0
storage/ndb/src/mgmsrv/ParamInfo.cpp:
  change default to 0