From Andrei: a protectionagainst the crash due to the attempt of setting a name to a TGeoTrack having pdg=0.
From Andrei:
a protectionagainst the crash due to the attempt of setting a name to a TGeoTrack having pdg=0.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@16634 27541ba8-7e3a-0410-8455-c3a389f83636

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