Add a protection in the destructor in case the class supposed to be a singleton is instantiated multiple times.
Add a protection in the destructor in case the class supposed to be a singleton
is instantiated multiple times.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@1509 27541ba8-7e3a-0410-8455-c3a389f83636

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uan/root,agarciamontoro/root,Dr15Jones/root,krafczyk/root,Duraznos/root,BerserkerTroll/root,karies/root,olifre/root,smarinac/root,satyarth934/root,CristinaCristescu/root,Dr15Jones/root,tc3t/qoot,strykejern/TTreeReader,tc3t/qoot,mattkretz/root,esakellari/root,Y--/root,evgeny-boger/root,davidlt/root,smarinac/root,esakellari/my_root_for_test,olifre/root,gganis/root,buuck/root,thomaskeck/root,sirinath/root,sirinath/root,mhuwiler/rootauto,georgtroska/root,buuck/root,lgiommi/root,pspe/root,gganis/root,esakellari/my_root_for_test,gbitzes/root,beniz/root,beniz/root,bbockelm/root,0x0all/ROOT,Y--/root,agarciamontoro/root,buuck/root,mhuwiler/rootauto,esakellari/my_root_for_test,zzxuanyuan/root,dfunke/root,esakellari/root,simonpf/root,olifre/root,evgeny-boger/root,sirinath/root,omazapa/root,zzxuanyuan/root,davidlt/root,satyarth934/root,CristinaCristescu/root,strykejern/TTreeReader,tc3t/qoot,sbinet/cxx-root,alexschlueter/cern-root,root-mirror/root,omazapa/root,gbitzes/root,perovic/root,sbinet/cxx-root,evgeny-boger/root,omazapa/root-old,georgtroska/root,gganis/root,sbinet/cxx-root,nilqed/root,cxx-hep/root-cern,abhinavmoudgil95/root,kirbyherm/root-r-tools,vukasinmilosevic/root,nilqed/root,dfunke/root,buuck/root,sirinath/root,jrtomps/root,mhuwiler/rootauto,thomaskeck/root,strykejern/TTreeReader,krafczyk/root,mattkretz/root,krafczyk/root,evgeny-boger/root,sbinet/cxx-root,BerserkerTroll/root,vukasinmilosevic/root,arch1tect0r/root,vukasinmilosevic/root,esakellari/root,beniz/root,sbinet/cxx-root,CristinaCristescu/root,mkret2/root,arch1tect0r/root,Y--/root,Dr15Jones/root,simonpf/root,lgiommi/root,beniz/root,mkret2/root,strykejern/TTreeReader,thomaskeck/root,Duraznos/root,mattkretz/root,thomaskeck/root,smarinac/root,cxx-hep/root-cern,Duraznos/root,perovic/root,zzxuanyuan/root-compressor-dummy,dfunke/root,Dr15Jones/root,alexschlueter/cern-root,BerserkerTroll/root,krafczyk/root,simonpf/root,abhinavmoudgil95/root,jrtomps/root,thomaskeck/root,veprbl/root,abhinavmoudgil95/root,kirbyherm/root-r-tools,bbockelm/root,smarinac/root,arch1tect0r/root,cxx-hep/root-cern,jrtomps/root,buuck/root,veprbl/root,omazapa/root-old,georgtroska/root,gbitzes/root,bbockelm/root,omazapa/root,buuck/root,omazapa/root-old,bbockelm/root,davidlt/root,perovic/root,gganis/root,sawenzel/root,dfunke/root,Y--/root,perovic/root,jrtomps/root,jrtomps/root,vukasinmilosevic/root,karies/root,mhuwiler/rootauto,kirbyherm/root-r-tools,georgtroska/root,davidlt/root,mhuwiler/rootauto,sawenzel/root,olifre/root,0x0all/ROOT,mhuwiler/rootauto,vukasinmilosevic/root,krafczyk/root,esakellari/root,thomaskeck/root,davidlt/root,krafczyk/root,olifre/root,cxx-hep/root-cern,zzxuanyuan/root-compressor-dummy,vukasinmilosevic/root,CristinaCristescu/root,sirinath/root,Dr15Jones/root,CristinaCristescu/root,alexschlueter/cern-root,buuck/root,arch1tect0r/root,kirbyherm/root-r-tools,jrtomps/root,0x0all/ROOT,tc3t/qoot,zzxuanyuan/root,simonpf/root,sawenzel/root,Duraznos/root,alexschlueter/cern-root,kirbyherm/root-r-tools,BerserkerTroll/root,karies/root,karies/root,krafczyk/root,zzxuanyuan/root-compressor-dummy,ffurano/root5,georgtroska/root,pspe/root,root-mirror/root,omazapa/root,strykejern/TTreeReader,alexschlueter/cern-root,bbockelm/root,mhuwiler/rootauto,CristinaCristescu/root,abhinavmoudgil95/root,davidlt/root,esakellari/root,beniz/root,agarciamontoro/root,abhinavmoudgil95/root