Add protection against possible NULL pointer
Add protection against possible NULL pointer


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@35458 27541ba8-7e3a-0410-8455-c3a389f83636

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