message: Fix ubuntu identifier in build.rs
diff: @@ -41,7 +41,7 @@ fn get_remote_lib() -> RemoteLib {
  let artifact_for_platform = match platform.os_type {
  OSType::Ubuntu => match platform.version.as_str() {
  "16.04" => Some("libtezos-ffi-ubuntu16.so"),
  - "18.04" | "18:10" => Some("libtezos-ffi-ubuntu18.so"),
  + "18.04" | "18.10" => Some("libtezos-ffi-ubuntu18.so"),
  "19.04" | "19.10" => Some("libtezos-ffi-ubuntu19.so"),
  _ => None,
  }
  