Fix copy constructor for empty RooRealVar objects
Fix copy constructor for empty RooRealVar objects

mattkretz/root,gbitzes/root,thomaskeck/root,mhuwiler/rootauto,veprbl/root,mattkretz/root,simonpf/root,satyarth934/root,satyarth934/root,zzxuanyuan/root,veprbl/root,BerserkerTroll/root,sawenzel/root,buuck/root,Y--/root,zzxuanyuan/root,lgiommi/root,georgtroska/root,CristinaCristescu/root,abhinavmoudgil95/root,pspe/root,sawenzel/root,davidlt/root,bbockelm/root,olifre/root,root-mirror/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,jrtomps/root,mkret2/root,CristinaCristescu/root,gganis/root,thomaskeck/root,satyarth934/root,mattkretz/root,BerserkerTroll/root,lgiommi/root,jrtomps/root,satyarth934/root,davidlt/root,satyarth934/root,simonpf/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,mkret2/root,esakellari/root,gbitzes/root,mkret2/root,buuck/root,gbitzes/root,pspe/root,bbockelm/root,bbockelm/root,abhinavmoudgil95/root,Y--/root,mhuwiler/rootauto,Y--/root,karies/root,CristinaCristescu/root,Y--/root,agarciamontoro/root,thomaskeck/root,zzxuanyuan/root,pspe/root,veprbl/root,pspe/root,mattkretz/root,beniz/root,krafczyk/root,veprbl/root,olifre/root,georgtroska/root,gbitzes/root,mattkretz/root,gganis/root,buuck/root,krafczyk/root,buuck/root,esakellari/root,buuck/root,davidlt/root,sawenzel/root,Y--/root,abhinavmoudgil95/root,lgiommi/root,lgiommi/root,Y--/root,mkret2/root,georgtroska/root,BerserkerTroll/root,veprbl/root,gganis/root,simonpf/root,buuck/root,gbitzes/root,mhuwiler/rootauto,bbockelm/root,mhuwiler/rootauto,thomaskeck/root,zzxuanyuan/root-compressor-dummy,pspe/root,mattkretz/root,CristinaCristescu/root,lgiommi/root,veprbl/root,karies/root,pspe/root,bbockelm/root,olifre/root,krafczyk/root,beniz/root,BerserkerTroll/root,georgtroska/root,agarciamontoro/root,root-mirror/root,pspe/root,krafczyk/root,georgtroska/root,gganis/root,davidlt/root,gbitzes/root,gbitzes/root,abhinavmoudgil95/root,krafczyk/root,olifre/root,simonpf/root,buuck/root,krafczyk/root,karies/root,buuck/root,mkret2/root,satyarth934/root,olifre/root,mhuwiler/rootauto,simonpf/root,krafczyk/root,beniz/root,karies/root,CristinaCristescu/root,veprbl/root,olifre/root,zzxuanyuan/root,davidlt/root,abhinavmoudgil95/root,jrtomps/root,jrtomps/root,mattkretz/root,mattkretz/root,simonpf/root,buuck/root,mhuwiler/rootauto,agarciamontoro/root,root-mirror/root,gganis/root,jrtomps/root,olifre/root,Y--/root,abhinavmoudgil95/root,BerserkerTroll/root,sawenzel/root,gbitzes/root,georgtroska/root,zzxuanyuan/root,BerserkerTroll/root,pspe/root,agarciamontoro/root,lgiommi/root,zzxuanyuan/root-compressor-dummy,esakellari/root,jrtomps/root,root-mirror/root,gganis/root,bbockelm/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,lgiommi/root,satyarth934/root,thomaskeck/root,abhinavmoudgil95/root,mkret2/root,beniz/root,beniz/root,karies/root,CristinaCristescu/root,gbitzes/root,zzxuanyuan/root-compressor-dummy,veprbl/root,pspe/root,jrtomps/root,root-mirror/root,agarciamontoro/root,root-mirror/root,zzxuanyuan/root,veprbl/root,mkret2/root,davidlt/root,lgiommi/root,bbockelm/root,CristinaCristescu/root,Y--/root,beniz/root,esakellari/root,karies/root,sawenzel/root,bbockelm/root,simonpf/root,karies/root,mhuwiler/rootauto,thomaskeck/root,thomaskeck/root,krafczyk/root,root-mirror/root,esakellari/root,gganis/root,jrtomps/root,root-mirror/root,zzxuanyuan/root,BerserkerTroll/root,zzxuanyuan/root,esakellari/root,georgtroska/root,mkret2/root,satyarth934/root,karies/root,mattkretz/root,gganis/root,veprbl/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,mattkretz/root,zzxuanyuan/root-compressor-dummy,gbitzes/root,zzxuanyuan/root-compressor-dummy,mattkretz/root,zzxuanyuan/root,zzxuanyuan/root-compressor-dummy,beniz/root,gganis/root,Y--/root,davidlt/root,bbockelm/root,mhuwiler/rootauto,beniz/root,simonpf/root,simonpf/root,pspe/root,buuck/root,georgtroska/root,veprbl/root,root-mirror/root,mkret2/root,karies/root,root-mirror/root,lgiommi/root,agarciamontoro/root,satyarth934/root,Y--/root,georgtroska/root,abhinavmoudgil95/root,esakellari/root,gganis/root,thomaskeck/root,lgiommi/root,olifre/root,jrtomps/root,abhinavmoudgil95/root,mhuwiler/rootauto,esakellari/root,davidlt/root,davidlt/root,sawenzel/root,simonpf/root,sawenzel/root,BerserkerTroll/root,pspe/root,satyarth934/root,buuck/root,CristinaCristescu/root,root-mirror/root,davidlt/root,olifre/root,mkret2/root,BerserkerTroll/root,sawenzel/root,esakellari/root,sawenzel/root,simonpf/root,mkret2/root,esakellari/root,zzxuanyuan/root,esakellari/root,jrtomps/root,agarciamontoro/root,mhuwiler/rootauto,georgtroska/root,zzxuanyuan/root,sawenzel/root,beniz/root,bbockelm/root,olifre/root,karies/root,CristinaCristescu/root,agarciamontoro/root,thomaskeck/root,lgiommi/root,gbitzes/root,georgtroska/root,CristinaCristescu/root,zzxuanyuan/root,mhuwiler/rootauto,bbockelm/root,beniz/root,agarciamontoro/root,olifre/root,thomaskeck/root,zzxuanyuan/root-compressor-dummy,karies/root,BerserkerTroll/root,krafczyk/root,beniz/root,CristinaCristescu/root,agarciamontoro/root,gganis/root,krafczyk/root,agarciamontoro/root,Y--/root,davidlt/root,krafczyk/r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