add pre-emptive null-check
add pre-emptive null-check

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