Do not invoke cling to parse empty fwd declaration payload.
Do not invoke cling to parse empty fwd declaration payload.

this is the correct way of implementing 47a38ed1.
This change allows to avoid to parse empty fwd decl payloads.

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