use a proper dynamic_cast<>() instead of an old style down cast.
use a proper dynamic_cast<>() instead of an old style down cast.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@8931 27541ba8-7e3a-0410-8455-c3a389f83636

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