From Bertrand and me: don't access character [-1] for empty strings.
From Bertrand and me: don't access character [-1] for empty strings.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@39569 27541ba8-7e3a-0410-8455-c3a389f83636

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