From Mattias Helert: fix a problem when executing $ROOTSYS/tutorials/hist/hbars.C from a user directory  see https://savannah.cern.ch/bugs/index.php?72046
From Mattias Helert:
fix a problem when executing $ROOTSYS/tutorials/hist/hbars.C from a user directory 
see https://savannah.cern.ch/bugs/index.php?72046


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@35065 27541ba8-7e3a-0410-8455-c3a389f83636

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