Simplify, fixing bug existing in earlier cmake versions.
Simplify, fixing bug existing in earlier cmake versions.

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