Fix clang compilation
Fix clang compilation

Summary: Fix shadowed variable name

Test Plan: compile

Reviewed By: mmandal@fb.com

Subscribers: fugalh, mathieubaudet, folly-diffs@

FB internal diff: D1732033

Signature: t1:1732033:1418250864:d460fea376ac93c05b86977629b95dac60b8b916

xzmagic/folly,Eagle-X/folly,ykarlsbrun/folly,tomhughes/folly,tomhughes/folly,chjp2046/folly,theiver9827/folly,raphaelamorim/folly,renyinew/folly,gaoyingie/folly,raphaelamorim/folly,doctaweeks/folly,colemancda/folly,arg0/folly,Orvid/folly,KSreeHarsha/folly,raphaelamorim/folly,loversInJapan/folly,floxard/folly,yangjin-unique/folly,ykarlsbrun/folly,sonnyhu/folly,clearlinux/folly,reddit/folly,shaobz/folly,facebook/folly,upsoft/folly,arg0/folly,sonnyhu/folly,bobegir/folly,stonegithubs/folly,upsoft/folly,clearlylin/folly,clearlylin/folly,upsoft/folly,tomhughes/folly,Hincoin/folly,chjp2046/folly,brunomorishita/folly,KSreeHarsha/folly,kernelim/folly,alexst07/folly,theiver9827/folly,nickhen/folly,gavioto/folly,bowlofstew/folly,SeanRBurton/folly,project-zerus/folly,lifei/folly,fw1121/folly,zhiweicai/folly,bobegir/folly,rklabs/folly,mqeizi/folly,colemancda/folly,constantine001/folly,rklabs/folly,juniway/folly,sakishum/folly,facebook/folly,romange/folly,theiver9827/folly,nickhen/folly,juniway/folly,kernelim/folly,bsampath/folly,mqeizi/folly,arg0/folly,CJstar/folly,clearlinux/folly,fw1121/folly,nickhen/folly,gavioto/folly,romange/folly,Hincoin/folly,xzmagic/folly,project-zerus/folly,gavioto/folly,cppfool/folly,leolujuyi/folly,bowlofstew/folly,PoisonBOx/folly,cole14/folly,colemancda/folly,charsyam/folly,SeanRBurton/folly,PPC64/folly,loversInJapan/folly,CJstar/folly,Eagle-X/folly,PoisonBOx/folly,stonegithubs/folly,colemancda/folly,shaobz/folly,SammyK/folly,bobegir/folly,doctaweeks/folly,juniway/folly,SammyK/folly,wildinto/folly,mqeizi/folly,fw1121/folly,wildinto/folly,loverszhaokai/folly,romange/folly,renyinew/folly,SeanRBurton/folly,bikong2/folly,tempbottle/folly,yangjin-unique/folly,constantine001/folly,romange/folly,Orvid/folly,cole14/folly,cppfool/folly,cole14/folly,shaobz/folly,floxard/folly,yangjin-unique/folly,doctaweeks/folly,SeanRBurton/folly,loverszhaokai/folly,cole14/folly,mqeizi/folly,reddit/folly,xzmagic/folly,bobegir/folly,leolujuyi/folly,sakishum/folly,guker/folly,project-zerus/folly,reddit/folly,hongliangzhao/folly,gaoyingie/folly,theiver9827/folly,alexst07/folly,Hincoin/folly,bikong2/folly,Hincoin/folly,arg0/folly,yangjin-unique/folly,bsampath/folly,tomhughes/folly,SeanRBurton/folly,juniway/folly,constantine001/folly,brunomorishita/folly,ykarlsbrun/folly,clearlylin/folly,xzmagic/folly,charsyam/folly,alexst07/folly,sakishum/folly,wildinto/folly,KSreeHarsha/folly,floxard/folly,PoisonBOx/folly,PPC64/folly,bowlofstew/folly,hongliangzhao/folly,facebook/folly,PPC64/folly,ykarlsbrun/folly,renyinew/folly,gaoyingie/folly,zhiweicai/folly,xzmagic/folly,lifei/folly,upsoft/folly,wildinto/folly,raphaelamorim/folly,Orvid/folly,alexst07/folly,tempbottle/folly,Hincoin/folly,brunomorishita/folly,sonnyhu/folly,cppfool/folly,rklabs/folly,PPC64/folly,project-zerus/folly,mqeizi/folly,ykarlsbrun/folly,renyinew/folly,juniway/folly,gavioto/folly,bowlofstew/folly,sonnyhu/folly,bobegir/folly,rklabs/folly,sonnyhu/folly,romange/folly,bikong2/folly,loverszhaokai/folly,KSreeHarsha/folly,lifei/folly,reddit/folly,stonegithubs/folly,cppfool/folly,zhiweicai/folly,tempbottle/folly,bsampath/folly,reddit/folly,bsampath/folly,CJstar/folly,shaobz/folly,loversInJapan/folly,kernelim/folly,chjp2046/folly,leolujuyi/folly,doctaweeks/folly,PPC64/folly,hongliangzhao/folly,SammyK/folly,charsyam/folly,sakishum/folly,clearlinux/folly,leolujuyi/folly,project-zerus/folly,guker/folly,theiver9827/folly,alexst07/folly,constantine001/folly,clearlinux/folly,facebook/folly,facebook/folly,floxard/folly,tempbottle/folly,chjp2046/folly,PoisonBOx/folly,guker/folly,CJstar/folly,clearlylin/folly,SammyK/folly,cole14/folly,kernelim/folly,KSreeHarsha/folly,zhiweicai/folly,clearlinux/folly,Eagle-X/folly,gaoyingie/folly,renyinew/folly,arg0/folly,hongliangzhao/folly,brunomorishita/folly,brunomorishita/folly,PoisonBOx/folly,Eagle-X/folly,fw1121/folly,leolujuyi/folly,wildinto/folly,loverszhaokai/folly,raphaelamorim/folly,CJstar/folly,zhiweicai/folly,SammyK/folly,yangjin-unique/folly,tempbottle/folly,charsyam/folly,gaoyingie/folly,stonegithubs/folly,Orvid/folly,cppfool/folly,floxard/folly,lifei/folly,upsoft/folly,clearlylin/folly,nickhen/folly,stonegithubs/folly,chjp2046/folly,colemancda/folly,constantine001/folly,tomhughes/folly,doctaweeks/folly,Orvid/folly,bowlofstew/folly,kernelim/folly,shaobz/folly,hongliangzhao/folly,loverszhaokai/folly,rklabs/folly,nickhen/folly,guker/folly,guker/folly,Eagle-X/folly,bikong2/folly,lifei/folly,bikong2/folly,loversInJapan/folly,gavioto/folly,fw1121/folly,sakishum/folly,loversInJapan/folly,bsampath/folly