Check and return the correct error if Stat method fails (see golang issue #12991)
Check and return the correct error if Stat method fails (see golang issue #12991)

tpng/caddy,DenBeke/caddy,tobya/caddy,dusty/caddy,Karthic-Hackintosh/caddy,joshix/caddy,devangels/caddy,guilhermebr/caddy,tw4452852/caddy,buddhamagnet/caddy,pedronasser/caddy,captncraig/caddy,hackintoshrao/caddy,elcore/caddy,cez81/caddy,devangels/caddy,tgulacsi/caddy,evermax/caddy,tobya/caddy,ollie314/caddy,Karthic-Hackintosh/caddy,hackintoshrao/caddy,evermax/caddy,hackintoshrao/caddy,dusty/caddy,buddhamagnet/caddy,tobya/caddy,yukimochi/caddy,tpng/caddy,dusty/caddy,joshix/caddy,mem/caddy,elcore/caddy,cez81/caddy,mem/caddy,buddhamagnet/caddy,tgulacsi/caddy,buddhamagnet/caddy,pyed/caddy,eiszfuchs/caddy,pyed/caddy,tw4452852/caddy,pyed/caddy,yukimochi/caddy,ollie314/caddy,guilhermebr/caddy,captncraig/caddy,evermax/caddy,pedronasser/caddy,captncraig/caddy,tobya/caddy,DenBeke/caddy,ollie314/caddy,eiszfuchs/caddy,joshix/caddy,guilhermebr/caddy,tpng/caddy,devangels/caddy,Karthic-Hackintosh/caddy,tgulacsi/caddy,evermax/caddy,tw4452852/caddy,DenBeke/caddy,tgulacsi/caddy,tw4452852/caddy,pedronasser/caddy,mem/caddy,hackintoshrao/caddy,mem/caddy,tpng/caddy,pyed/caddy,yukimochi/caddy,dusty/caddy,cez81/caddy,elcore/caddy,Karthic-Hackintosh/caddy,eiszfuchs/caddy,guilhermebr/caddy,eiszfuchs/caddy,DenBeke/caddy,ollie314/caddy,pedronasser/caddy