message: [storage] fix typo 'unexpectedly'
  Closes:
  Approved by: wqfish
diff: @@ -110,7 +110,7 @@ impl Deref for LibraDBWrapper {
  type Target = LibraDB;
  fn deref(&self) -> &Self::Target {
  - self.db.as_ref().expect("LibraDB is dropped unexptectedly")
  + self.db.as_ref().expect("LibraDB is dropped unexpectedly")
  }
  }
  