Use lfs as utils.lfs, not global lfs
Use lfs as utils.lfs, not global lfs

Why does require "lfs" even set global lfs in Lua 5.3?

xpol/luacheck,adan830/luacheck,kidaa/luacheck,mpeterv/luacheck,mpeterv/luacheck,linuxmaniac/luacheck,xpol/luacheck,tst2005/luacheck,mpeterv/luacheck,adan830/luacheck,linuxmaniac/luacheck,tst2005/luacheck,kidaa/luacheck,xpol/luacheck