Protect TEnv::GetValue in case the DTORs of `TSystem' and `TUnixSystem' is called before `__do_global_dtors_aux' (thanks Christian Holm Christensen)
Protect TEnv::GetValue in case the DTORs of `TSystem' and `TUnixSystem' is called
before `__do_global_dtors_aux' (thanks Christian Holm Christensen)


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@5146 27541ba8-7e3a-0410-8455-c3a389f83636

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