protoc-gen-depends: treat stdin/stdout as byte-streams, not as text-streams
protoc-gen-depends: treat stdin/stdout as byte-streams, not as text-streams

This solves Python being unable to decode stdin as the system-specified
encoding (UTF-8 in my case).

machinekit/machinetalk-protobuf,bobvanderlinden/machinetalk-protobuf,mhaberler/machinetalk-protobuf,mhaberler/machinetalk-protobuf,mhaberler/machinetalk-protobuf,strahlex/machinetalk-protobuf,bobvanderlinden/machinetalk-protobuf-node,bobvanderlinden/machinetalk-protobuf,bobvanderlinden/machinetalk-protobuf-node,bobvanderlinden/machinetalk-protobuf-node,mhaberler/machinetalk-protobuf,strahlex/machinetalk-protobuf,machinekit/machinetalk-protobuf,machinekit/machinetalk-protobuf,machinekit/machinetalk-protobuf