Update Magento2/Sniffs/Legacy/LayoutSniff.php

Co-authored-by: Sergii Ivashchenko <serg.ivashchenko@gmail.com>

Author: svera

Magento2/Sniffs/Legacy/LayoutSniff.php

@@ -271,7 +271,7 @@ private function getFormattedXML(File $phpcsFile)
  {
  $doc = new DomDocument('1.0');
  $doc->formatOutput = true;
- $doc->loadXML($phpcsFile->getTokensAsString(0, 999999));
+ $doc->loadXML($phpcsFile->getTokensAsString(0, count($phpcsFile->getTokens())));
  return $doc->saveXML();
  }