In the TChainIndex constructor, add a protection: if an index already exists, we must check if major/minorname correspond to the major/minor names in this function call.
In the TChainIndex constructor, add a protection:
if an index already exists, we must check if major/minorname correspond
to the major/minor names in this function call.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@22243 27541ba8-7e3a-0410-8455-c3a389f83636

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