From Gerri: This adds a protection against 'buf = 0' when using TXNetFile without asynchronous reading.
From Gerri:
This adds a protection against 'buf = 0' when using TXNetFile without asynchronous reading.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@20861 27541ba8-7e3a-0410-8455-c3a389f83636

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