From Gerri: protection against prefix being 0.
From Gerri:
protection against prefix being 0.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@20181 27541ba8-7e3a-0410-8455-c3a389f83636

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