message: Change pattern match syntax to fit older Rust versions
diff: @@ -177,10 +177,9 @@ impl StorageIterator for SQLiteStorageIterator {
  None
  };
  let tags = if self.options.fetch_tags {
  - if let Some(ref mut tag_retriever) = &mut self.tag_retriever {
  - Some(tag_retriever.retrieve(row.get(0))?)
  - } else {
  - return Err(WalletStorageError::CommonError(
  + match self.tag_retriever {
  + Some(ref mut tag_retriever) => Some(tag_retriever.retrieve(row.get(0))?),
  + None => return Err(WalletStorageError::CommonError(
  CommonError::InvalidState("Fetch tags option set and tag retriever is None".to_string())
  ))
  }
  