message: Fix compilation errors after merge in linbindy.
diff: @@ -241,7 +241,7 @@ impl LedgerService {
  pub fn build_get_validator_info_request(&self, identifier: &str) -> Result<String, CommonError> {
  let operation = GetValidatorInfoOperation::new();
  - Request::build_request(identifier, operation)
  + LedgerService::build_request(identifier, operation, "GET_VALIDATOR_INFO")
  .map_err(|err| CommonError::InvalidState(format!("Invalid get validator info request json: {:?}", err)))
  }
  