add protection aginast null pointer
add protection aginast null pointer


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@14781 27541ba8-7e3a-0410-8455-c3a389f83636

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