Add space between if and ‘(‘

[MAILPOET-1791]

lib/Form/Block/Radio.php

@@ -1,7 +1,7 @@
 <?php
 namespace MailPoet\Form\Block;
 
-if(!defined('ABSPATH')) exit;
+if (!defined('ABSPATH')) exit;
 
 class Radio extends Base {
 
@@ -29,7 +29,7 @@ class Radio extends Base {
 
       $html .= 'name="'.$field_name.'" ';
 
-      if(is_array($option['value'])) {
+      if (is_array($option['value'])) {
         $value = key($option['value']);
         $label = reset($option['value']);
       } else {