PSR12 fixes

Author: JBlond

lib/jblond/Diff/Renderer/Html/HtmlArray.php

@@ -244,7 +244,7 @@ function ($item) {
         foreach ($strings as &$line) {
             $line = preg_replace_callback(
                 '/(^[ \0\1]*)/',
-                function($matches) {
+                function ($matches) {
                     return str_replace(' ', " ", $matches[0]);
                 },
                 $line

lib/jblond/Diff/Renderer/Html/Unified.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace jblond\Diff\Renderer\Html;
 
@@ -42,7 +42,7 @@ public function render(): string
      *
      * @return string           HTML code containing the unified differences.
      */
-    public function renderHtml($changes, $object = null) : string
+    public function renderHtml($changes, $object = null): string
     {
         if (empty($changes)) {
             //No changes between "old" and "new"