[fix] typo in method name from Nvp class

Author: Marcel Hauri

app/code/Magento/Paypal/Model/Api/Nvp.php

@@ -846,7 +846,7 @@ public function callGetExpressCheckoutDetails()
         $request = $this->_exportToRequest($this->_getExpressCheckoutDetailsRequest);
         $response = $this->call(self::GET_EXPRESS_CHECKOUT_DETAILS, $request);
         $this->_importFromResponse($this->_paymentInformationResponse, $response);
-        $this->_exportAddressses($response);
+        $this->_exportAddresses($response);
     }
 
     /**
@@ -1464,7 +1464,7 @@ protected function _exportLineItems(array &$request, $i = 0)
      * @param array $data
      * @return void
      */
-    protected function _exportAddressses($data)
+    protected function _exportAddresses($data)
     {
         $address = new \Magento\Framework\DataObject();
         \Magento\Framework\DataObject\Mapper::accumulateByMap($data, $address, $this->_billingAddressMap);