Check if file_root is nil.
Check if file_root is nil.

goby-lang/goby,Maxwell-Alexius/goby,goby-lang/goby,st0012/Rooby,st0012/Rooby,goby-lang/goby,hachi8833/goby,hachi8833/goby,Maxwell-Alexius/goby,Maxwell-Alexius/goby,hachi8833/goby