add some more protections in CheckObject() in case fMap = 0.
add some more protections in CheckObject() in case fMap = 0.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@11258 27541ba8-7e3a-0410-8455-c3a389f83636

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