fix problem with null being passed to strcmp().
fix problem with null being passed to strcmp().


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@8954 27541ba8-7e3a-0410-8455-c3a389f83636

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