fix case where cachedhname could be undefined.
fix case where cachedhname could be undefined.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@33667 27541ba8-7e3a-0410-8455-c3a389f83636

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