Fix PHP 8.2 deprecated about Allow access to an undefined property

Author: DAdq26

src/PhpWord/Reader/MsDoc.php

@@ -56,6 +56,16 @@ class MsDoc extends AbstractReader implements ReaderInterface
      * Object Pool Stream.
      */
     private $dataObjectPool;
+	
+	/**
+     * Object Stream.
+     */
+	private $_SummaryInformation;
+	
+	/**
+     * Object Stream.
+     */
+	private $_DocumentSummaryInformation;	
 
     /**
      * @var stdClass[]

src/PhpWord/Shared/OLERead.php

@@ -61,6 +61,17 @@ class OLERead
     public $wrkObjectPool = null;
     public $summaryInformation = null;
     public $docSummaryInfos = null;
+    public $numBigBlockDepotBlocks = null;
+    public $rootStartBlock = null;
+    public $sbdStartBlock = null;
+    public $extensionBlock = null;
+    public $numExtensionBlocks = null;
+    public $bigBlockChain = null;
+    public $smallBlockChain = null;	
+    public $entry = null;	
+    public $rootentry = null;
+    public $wrkObjectPoolelseif = null;
+    public $props = array();	
 
     /**
      * Read the file