Fix deprecated libxml_disable_entity_loader

Author: fabpot

Crawler.php

@@ -1184,7 +1184,9 @@ private function parseXhtml(string $htmlContent, string $charset = 'UTF-8'): \DO
         $htmlContent = $this->convertToHtmlEntities($htmlContent, $charset);
 
         $internalErrors = libxml_use_internal_errors(true);
-        $disableEntities = libxml_disable_entity_loader(true);
+        if (LIBXML_VERSION < 20900) {
+            $disableEntities = libxml_disable_entity_loader(true);
+        }
 
         $dom = new \DOMDocument('1.0', $charset);
         $dom->validateOnParse = true;
@@ -1194,7 +1196,9 @@ private function parseXhtml(string $htmlContent, string $charset = 'UTF-8'): \DO
         }
 
         libxml_use_internal_errors($internalErrors);
-        libxml_disable_entity_loader($disableEntities);
+        if (LIBXML_VERSION < 20900) {
+            libxml_disable_entity_loader($disableEntities);
+        }
 
         return $dom;
     }