fix Warning

qt6-after/qt6-migrated-legatus/Lts/Common/LtsLicence/lts_licence.cpp

@@ -20,15 +20,13 @@ QVector<Licence> readLicences(const QByteArray& unencryptedXmlData)
     QVector<Licence> licenceVec;
 
     QDomDocument xmlDoc;
-    QString errorMsg;
-    int errorLine = 0;
-    int errorColumn = 0;
 
-    if (!xmlDoc.setContent(unencryptedXmlData, &errorMsg, &errorLine, &errorColumn))
+    const auto parseResult = xmlDoc.setContent(unencryptedXmlData);
+    if (!parseResult)
     {
         ERROR_LOG(getLogger()) << "Error reading xml data, "
-                               << "error in line " << errorLine << ", column " << errorColumn
-                               << ", message: " << errorMsg;
+                               << "error in line " << int(parseResult.errorLine) << ", column " << int(parseResult.errorColumn)
+                               << ", message: " << parseResult.errorMessage;
         return licenceVec;
     }