make rubocop happy
make rubocop happy

ruby-protobuf/protobuf,zanker/protobuf,zanker/protobuf,localshred/protobuf,ruby-protobuf/protobuf,brianstien/protobuf,quixoten/protobuf,film42/protobuf,localshred/protobuf,brianstien/protobuf,lookout/protobuffy,lookout/protobuffy,film42/protobuf,quixoten/protobuf