reverting to previous version. Take system installed libungif otherwise fallback to builtin.
reverting to previous version. Take system installed libungif otherwise
fallback to builtin.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@10987 27541ba8-7e3a-0410-8455-c3a389f83636

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