message: Update merged code to use `post_form`
diff: @@ -139,7 +139,6 @@ impl Customer {
  }
  /// Retrieves a Card, BankAccount, or Source for a Customer
  - ///
  pub fn retrieve_source(
  client: &Client,
  customer_id: &str,
  @@ -157,7 +156,7 @@ impl Customer {
  bank_account_id: &BankAccountId,
  params: BankAccountVerifyParams,
  ) -> Result<BankAccount, Error> {
  - client.post(&format!("/customers/{}/sources/{}/verify", customer_id, bank_account_id), params)
  + client.post_form(&format!("/customers/{}/sources/{}/verify", customer_id, bank_account_id), params)
  }
  }
  