fix Warning

qt6-after/qt6-migrated-legatus/Lts/Application/THP/thp_viewer.cpp

@@ -449,9 +449,8 @@ QHash<QString, QUrl> ThpViewer::getCombinedPlaybackDetails(const QUrl &url) cons
   QDomDocument doc(QStringLiteral("RSS"));
   if (!file.open(QIODevice::ReadOnly))
     return hash;
-  QString errorStr;
-  int errorLine, errorColumn;
-  if (!doc.setContent(&file, true, &errorStr, &errorLine, &errorColumn))
+  const auto parseResult = doc.setContent(&file, QDomDocument::ParseOption::UseNamespaceProcessing);
+  if (!parseResult)
   {
     file.close();
     return hash;