Avoid accessing the stack at index 0
Avoid accessing the stack at index 0

This should fix #1403.

knu/hammerspoon,Hammerspoon/hammerspoon,Hammerspoon/hammerspoon,latenitefilms/hammerspoon,asmagill/hammerspoon,cmsj/hammerspoon,Habbie/hammerspoon,zzamboni/hammerspoon,Habbie/hammerspoon,CommandPost/CommandPost-App,zzamboni/hammerspoon,zzamboni/hammerspoon,cmsj/hammerspoon,CommandPost/CommandPost-App,zzamboni/hammerspoon,asmagill/hammerspoon,knu/hammerspoon,bradparks/hammerspoon,latenitefilms/hammerspoon,zzamboni/hammerspoon,latenitefilms/hammerspoon,knu/hammerspoon,asmagill/hammerspoon,latenitefilms/hammerspoon,cmsj/hammerspoon,knu/hammerspoon,bradparks/hammerspoon,Hammerspoon/hammerspoon,bradparks/hammerspoon,bradparks/hammerspoon,Habbie/hammerspoon,zzamboni/hammerspoon,Habbie/hammerspoon,CommandPost/CommandPost-App,cmsj/hammerspoon,cmsj/hammerspoon,CommandPost/CommandPost-App,asmagill/hammerspoon,asmagill/hammerspoon,Habbie/hammerspoon,Hammerspoon/hammerspoon,Hammerspoon/hammerspoon,Hammerspoon/hammerspoon,latenitefilms/hammerspoon,asmagill/hammerspoon,CommandPost/CommandPost-App,cmsj/hammerspoon,bradparks/hammerspoon,knu/hammerspoon,latenitefilms/hammerspoon,knu/hammerspoon,CommandPost/CommandPost-App,Habbie/hammerspoon