fix: TOC pages numbers

Author: jgiacomello

src/PhpWord/Writer/Word2007/Element/TOC.php

@@ -113,7 +113,7 @@ private function writeTitle(XMLWriter $xmlWriter, TOCElement $element, Title $ti
         $xmlWriter->startElement('w:r');
         $xmlWriter->startElement('w:instrText');
         $xmlWriter->writeAttribute('xml:space', 'preserve');
-        $xmlWriter->text("PAGEREF _Toc{$rId} \\h");
+        $xmlWriter->text("PAGEREF $rId \\h");
         $xmlWriter->endElement();
         $xmlWriter->endElement();