Protect against the list::front() undef behaviour
Protect against the list::front() undef behaviour

arch1tect0r/root,nilqed/root,mattkretz/root,evgeny-boger/root,Y--/root,CristinaCristescu/root,pspe/root,perovic/root,agarciamontoro/root,sbinet/cxx-root,zzxuanyuan/root,Duraznos/root,esakellari/root,agarciamontoro/root,sirinath/root,lgiommi/root,satyarth934/root,esakellari/root,zzxuanyuan/root,thomaskeck/root,georgtroska/root,agarciamontoro/root,Y--/root,sawenzel/root,vukasinmilosevic/root,davidlt/root,arch1tect0r/root,sirinath/root,thomaskeck/root,sbinet/cxx-root,omazapa/root,sirinath/root,veprbl/root,nilqed/root,veprbl/root,sawenzel/root,evgeny-boger/root,mhuwiler/rootauto,lgiommi/root,davidlt/root,arch1tect0r/root,veprbl/root,sirinath/root,mattkretz/root,krafczyk/root,zzxuanyuan/root,CristinaCristescu/root,sirinath/root,arch1tect0r/root,georgtroska/root,karies/root,olifre/root,abhinavmoudgil95/root,omazapa/root,evgeny-boger/root,karies/root,mattkretz/root,abhinavmoudgil95/root,olifre/root,mattkretz/root,Y--/root,beniz/root,Duraznos/root,esakellari/root,pspe/root,BerserkerTroll/root,nilqed/root,mhuwiler/rootauto,thomaskeck/root,BerserkerTroll/root,jrtomps/root,satyarth934/root,gbitzes/root,esakellari/root,sawenzel/root,omazapa/root,vukasinmilosevic/root,esakellari/root,mkret2/root,veprbl/root,karies/root,perovic/root,BerserkerTroll/root,mhuwiler/rootauto,mhuwiler/rootauto,veprbl/root,georgtroska/root,omazapa/root,mkret2/root,olifre/root,satyarth934/root,olifre/root,pspe/root,CristinaCristescu/root,veprbl/root,arch1tect0r/root,abhinavmoudgil95/root,mhuwiler/rootauto,nilqed/root,bbockelm/root,esakellari/root,satyarth934/root,abhinavmoudgil95/root,vukasinmilosevic/root,mattkretz/root,esakellari/root,davidlt/root,bbockelm/root,bbockelm/root,davidlt/root,lgiommi/root,buuck/root,Y--/root,jrtomps/root,zzxuanyuan/root,sawenzel/root,simonpf/root,karies/root,mkret2/root,Y--/root,lgiommi/root,davidlt/root,sirinath/root,sbinet/cxx-root,olifre/root,beniz/root,Y--/root,abhinavmoudgil95/root,gbitzes/root,arch1tect0r/root,esakellari/root,gbitzes/root,zzxuanyuan/root,sawenzel/root,simonpf/root,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,gganis/root,zzxuanyuan/root-compressor-dummy,agarciamontoro/root,karies/root,buuck/root,krafczyk/root,krafczyk/root,thomaskeck/root,krafczyk/root,root-mirror/root,pspe/root,veprbl/root,CristinaCristescu/root,Y--/root,CristinaCristescu/root,arch1tect0r/root,krafczyk/root,gbitzes/root,gbitzes/root,nilqed/root,lgiommi/root,zzxuanyuan/root-compressor-dummy,vukasinmilosevic/root,jrtomps/root,beniz/root,CristinaCristescu/root,zzxuanyuan/root,beniz/root,simonpf/root,root-mirror/root,satyarth934/root,root-mirror/root,pspe/root,sirinath/root,gganis/root,davidlt/root,davidlt/root,omazapa/root,perovic/root,georgtroska/root,bbockelm/root,mkret2/root,CristinaCristescu/root,bbockelm/root,beniz/root,omazapa/root,Duraznos/root,sawenzel/root,omazapa/root,perovic/root,simonpf/root,perovic/root,sawenzel/root,simonpf/root,lgiommi/root,sirinath/root,sirinath/root,zzxuanyuan/root-compressor-dummy,agarciamontoro/root,Duraznos/root,root-mirror/root,gganis/root,krafczyk/root,sawenzel/root,sbinet/cxx-root,omazapa/root,mhuwiler/rootauto,pspe/root,mattkretz/root,gbitzes/root,mattkretz/root,pspe/root,veprbl/root,mkret2/root,jrtomps/root,root-mirror/root,nilqed/root,simonpf/root,evgeny-boger/root,vukasinmilosevic/root,jrtomps/root,Duraznos/root,jrtomps/root,davidlt/root,jrtomps/root,esakellari/root,vukasinmilosevic/root,sbinet/cxx-root,satyarth934/root,beniz/root,bbockelm/root,buuck/root,olifre/root,thomaskeck/root,zzxuanyuan/root,olifre/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,veprbl/root,simonpf/root,simonpf/root,krafczyk/root,CristinaCristescu/root,sbinet/cxx-root,perovic/root,perovic/root,abhinavmoudgil95/root,zzxuanyuan/root-compressor-dummy,sbinet/cxx-root,simonpf/root,lgiommi/root,Duraznos/root,satyarth934/root,agarciamontoro/root,perovic/root,sbinet/cxx-root,krafczyk/root,sawenzel/root,vukasinmilosevic/root,beniz/root,evgeny-boger/root,zzxuanyuan/root,abhinavmoudgil95/root,zzxuanyuan/root,root-mirror/root,perovic/root,gbitzes/root,mkret2/root,Duraznos/root,nilqed/root,Duraznos/root,Y--/root,nilqed/root,gganis/root,BerserkerTroll/root,root-mirror/root,satyarth934/root,arch1tect0r/root,olifre/root,georgtroska/root,sawenzel/root,mattkretz/root,pspe/root,simonpf/root,gganis/root,georgtroska/root,davidlt/root,gganis/root,mhuwiler/rootauto,buuck/root,BerserkerTroll/root,sbinet/cxx-root,beniz/root,esakellari/root,krafczyk/root,arch1tect0r/root,Duraznos/root,pspe/root,beniz/root,bbockelm/root,karies/root,thomaskeck/root,beniz/root,BerserkerTroll/root,lgiommi/root,zzxuanyuan/root,gganis/root,omazapa/root,sbinet/cxx-root,nilqed/root,lgiommi/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,thomaskeck/root,satyarth934/root,satyarth934/root,mhuwiler/rootauto,buuck/root,vukasinmilosevic/root,thomaskeck/root,davidlt/root,georgtroska/root,evgeny-boger/root,arch1tect0r/root,krafczyk/root,zzxuanyuan/root-compressor-dummy,gganis/root,pspe/root,abhinavmoudgil95/root,omazapa/root,gganis/r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