message: Fix typo in git index initialization error path
diff: @@ -77,7 +77,7 @@ impl<'cfg> RemoteRegistry<'cfg> {
  let mut opts = git2::RepositoryInitOptions::new();
  opts.external_template(false);
  Ok(git2::Repository::init_opts(&path, &opts)
  - .chain_err(|| "failed to initialized index git repository")?)
  + .chain_err(|| "failed to initialize index git repository")?)
  }
  }
  })
  