Regenerate *.rs files in `src/proto/`

for new protobuf version 2.10.1

Cargo.toml

 system-libz = ["flate2"]
 
 [dependencies]
-protobuf = "=2.10.0"
+protobuf = "=2.10.1"
 byteorder = "1.1"
 flate2 = { version = "1.0", optional = true }
 inflate = "0.4"

src/proto/fileformat.rs

-// This file is generated by rust-protobuf 2.10.0. Do not edit
+// This file is generated by rust-protobuf 2.10.1. Do not edit
 // @generated
 
-// https://github.com/Manishearth/rust-clippy/issues/702
+// https://github.com/rust-lang/rust-clippy/issues/702
 #![allow(unknown_lints)]
 #![allow(clippy::all)]
 
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_10_0;
+// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_10_1;
 
 #[derive(PartialEq,Clone,Default,Debug)]
 pub struct Blob {

src/proto/osmformat.rs

-// This file is generated by rust-protobuf 2.10.0. Do not edit
+// This file is generated by rust-protobuf 2.10.1. Do not edit
 // @generated
 
-// https://github.com/Manishearth/rust-clippy/issues/702
+// https://github.com/rust-lang/rust-clippy/issues/702
 #![allow(unknown_lints)]
 #![allow(clippy::all)]
 
 
 /// Generated files are compatible only with the same version
 /// of protobuf runtime.
-const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_10_0;
+// const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_10_1;
 
 #[derive(PartialEq,Clone,Default,Debug)]
 pub struct HeaderBlock {