- From Valeri Fine:   Protection added in TPad::Clear() in case fCanvas does not exist yet.
- From Valeri Fine:
  Protection added in TPad::Clear() in case fCanvas does not exist yet.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@17260 27541ba8-7e3a-0410-8455-c3a389f83636

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