[fix] typo in method name _exportAddress[s]es

[mhauri]

Description

Method name \Magento\Paypal\Model\Api\Nvp::_exportAddressses contained typo
Renamed it to _exportAddresses.

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @miguelbalparda, thank you for the review.
ENGCOM-1581 has been created to process this Pull Request

[magento-engcom-team]

@mhauri thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[miguelbalparda]

Protected methods cannot be removed, please check https://devdocs.magento.com/guides/v2.2/contributor-guide/backward-compatible-development/index.html

[mhauri]

@miguelbalparda I've added the deprecated notice in commit: 1a0c8e5

[miguelbalparda]

Hi @DanielRuf, I saw you approved quite a few PRs. We try to reserve this for maintainers, in the future feel free to add +1 or emoji answers instead of that. Thanks!

[DanielRuf]

in the future feel free to add +1 or emoji answers instead of that. Thanks!

Ok, understood. Did not know this. Sorry.

[magento-engcom-team]

Hi @miguelbalparda, thank you for the review.
ENGCOM-1581 has been created to process this Pull Request

[magento-engcom-team]

Hi @mhauri. Thank you for your contribution.
Changes from your Pull Request will be available with the upcoming 2.2.5 release.

Please, consider porting this solution across release lines.
You may use Porting tool to port commits automatically.