Fix exit functions when nullptr is not a keyword.
Fix exit functions when nullptr is not a keyword.

davidlt/root,satyarth934/root,bbockelm/root,beniz/root,satyarth934/root,olifre/root,satyarth934/root,mhuwiler/rootauto,karies/root,zzxuanyuan/root-compressor-dummy,bbockelm/root,simonpf/root,karies/root,zzxuanyuan/root,beniz/root,BerserkerTroll/root,mhuwiler/rootauto,beniz/root,davidlt/root,simonpf/root,zzxuanyuan/root,gganis/root,abhinavmoudgil95/root,satyarth934/root,abhinavmoudgil95/root,root-mirror/root,simonpf/root,buuck/root,mhuwiler/rootauto,buuck/root,zzxuanyuan/root,root-mirror/root,root-mirror/root,gganis/root,karies/root,olifre/root,abhinavmoudgil95/root,agarciamontoro/root,zzxuanyuan/root,davidlt/root,agarciamontoro/root,zzxuanyuan/root,buuck/root,beniz/root,bbockelm/root,gganis/root,simonpf/root,buuck/root,olifre/root,mhuwiler/rootauto,mhuwiler/rootauto,olifre/root,abhinavmoudgil95/root,gganis/root,mhuwiler/rootauto,davidlt/root,agarciamontoro/root,agarciamontoro/root,bbockelm/root,gganis/root,abhinavmoudgil95/root,root-mirror/root,beniz/root,olifre/root,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,beniz/root,buuck/root,root-mirror/root,bbockelm/root,buuck/root,bbockelm/root,bbockelm/root,zzxuanyuan/root,BerserkerTroll/root,beniz/root,root-mirror/root,mhuwiler/rootauto,zzxuanyuan/root,davidlt/root,abhinavmoudgil95/root,BerserkerTroll/root,simonpf/root,olifre/root,mhuwiler/rootauto,karies/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,simonpf/root,BerserkerTroll/root,karies/root,zzxuanyuan/root,agarciamontoro/root,davidlt/root,zzxuanyuan/root-compressor-dummy,simonpf/root,BerserkerTroll/root,agarciamontoro/root,root-mirror/root,gganis/root,satyarth934/root,zzxuanyuan/root,zzxuanyuan/root-compressor-dummy,simonpf/root,karies/root,karies/root,root-mirror/root,agarciamontoro/root,olifre/root,agarciamontoro/root,simonpf/root,olifre/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,davidlt/root,BerserkerTroll/root,satyarth934/root,satyarth934/root,beniz/root,zzxuanyuan/root-compressor-dummy,agarciamontoro/root,BerserkerTroll/root,abhinavmoudgil95/root,beniz/root,agarciamontoro/root,olifre/root,karies/root,beniz/root,simonpf/root,satyarth934/root,BerserkerTroll/root,gganis/root,zzxuanyuan/root,gganis/root,davidlt/root,bbockelm/root,root-mirror/root,bbockelm/root,gganis/root,davidlt/root,gganis/root,abhinavmoudgil95/root,olifre/root,abhinavmoudgil95/root,bbockelm/root,satyarth934/root,karies/root,buuck/root,davidlt/root,zzxuanyuan/root,satyarth934/root,BerserkerTroll/root,karies/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,zzxuanyuan/root-compressor-dummy,satyarth934/root,buuck/root,abhinavmoudgil95/root,olifre/root,root-mirror/root,mhuwiler/rootauto,simonpf/root,karies/root,bbockelm/root,root-mirror/root,abhinavmoudgil95/root,gganis/root,davidlt/root,BerserkerTroll/root,buuck/root,zzxuanyuan/root-compressor-dummy,beniz/root,buuck/root,buuck/root,agarciamontoro/root