message: Fix Octal literal (TSLint error)
diff: @@ -6,7 +6,7 @@ import * as sha1 from "sha.js/sha1";
  */
  export function gitHashFile(file: Buffer): string {
  const size = file.byteLength;
  - const filePrefix = "blob " + size + "\0";
  + const filePrefix = "blob " + size + String.fromCharCode(0);
  const engine = new sha1();
  return engine.update(filePrefix).update(file).digest("hex");
  }
  