fix comment

interpreter/luajit/proto.go

@@ -104,8 +104,8 @@ func newProto(rm remotememory.RemoteMemory, pt libpf.Address) (*proto, error) {
 	if !utf8.ValidString(p.name) {
 		return nil, errors.New("invalid chunkname string")
 	}
-	// If p.name == "" should we set it to something that isn't a valid lua function name?
-	// TODO: what does lua do for anonymous functions?
+
+	// This should never be empty string.
 	if p.name == "" {
 		return nil, errors.New("invalid chunkname string")
 	}