TDirectory has new on-file data member but no ClassDef Version bump

Warning in <TStreamerInfo::BuildCheck>:  

  The StreamerInfo of class TDirectory read from file root://eosams.cern.ch//eos/ams/Data/AMS02/2014/ISS.B950/pass6/1308139657.00000001.root 

  has the same version (=5) as the active class but a different checksum. 

  You should update the version to ClassDef(TDirectory,6). 

  Do not try to write objects with the current class definition, 

  the files will not be readable. 

Warning in <TStreamerInfo::CompareContent>: The following data member of 

the in-memory layout version 5 of class 'TDirectory' is missing from  

the on-file layout version 5: 

  atomic_flag fSpinLock; //