additional_info not empty check

Author: Neries

upload/catalog/controller/extension/payment/oplata.php

@@ -166,7 +166,7 @@ public function validate($request)
         unset($request['signature']);
 
         # API ^1.0.1
-        if ($request['additional_info'])
+        if (!empty($request['additional_info']))
             $request['additional_info'] = htmlspecialchars_decode($request['additional_info']);
 
         $orderSignature = $this->model_extension_payment_oplata->getSignature($request, $secretKey);

upload/catalog/language/en-gb/extension/payment/oplata.php

@@ -1,7 +1,7 @@
 <?php
 // Text
 
-$_['text_title'] = 'FONDY VISA/MasterCard';
+$_['text_title'] = 'Fondy VISA/MasterCard';
 $_['error_merchant'] = 'An error has occurred during payment. Merchant data is incorrect.';
 $_['error_signature'] = 'An error has occurred during payment. Signature is not valid.';
 $_['error_transaction'] = 'Transaction has been declined.';

upload/catalog/language/ru-ru/extension/payment/oplata.php

@@ -1,6 +1,6 @@
 <?php
 // Text
-$_['text_title'] = 'FONDY VISA/MasterCard';
+$_['text_title'] = 'Fondy VISA/MasterCard';
 $_['error_merchant'] = 'An error has occurred during payment. Merchant data is incorrect.';
 $_['error_signature'] = 'An error has occurred during payment. Signature is not valid.';
 $_['error_transaction'] = 'Transaction has been declined.';