Code-style patch.

Author: Maikuolan

src/Loader.php

@@ -8,7 +8,7 @@
  * License: GNU/GPLv2
  * @see LICENSE.txt
  *
- * This file: The loader (last modified: 2021.02.07).
+ * This file: The loader (last modified: 2021.03.03).
  */
 
 namespace phpMussel\Core;
@@ -171,7 +171,7 @@ class Loader
     /**
      * @var string Safety mechanism for logging events.
      */
-    const SAFETY = "\x3c\x3fphp die; \x3f\x3e";
+    public const SAFETY = "\x3c\x3fphp die; \x3f\x3e";
 
     /**
      * Construct the loader.

src/ZipHandler.php

@@ -8,7 +8,7 @@
  * License: GNU/GPLv2
  * @see LICENSE.txt
  *
- * This file: Zip handler (last modified: 2020.07.11).
+ * This file: Zip handler (last modified: 2021.03.03).
  */
 
 namespace phpMussel\Core;
@@ -54,7 +54,7 @@ public function __construct($Pointer)
             return;
         }
 
-        $this->ZipObject = new \ZipArchive;
+        $this->ZipObject = new \ZipArchive();
         if (!$this->ZipObject->open($Pointer)) {
             $this->ErrorState = 2;
             return;