Fix setenv declaration for gcc on OS X.
Fix setenv declaration for gcc on OS X.

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