--- a/tools/assistant/lib/qhelpcollectionhandler_p.h	Fri Sep 17 08:34:18 2010 +0300
+++ b/tools/assistant/lib/qhelpcollectionhandler_p.h	Mon Oct 04 01:19:32 2010 +0300
@@ -76,7 +76,8 @@
     };
     typedef QList<DocInfo> DocInfoList;
 
-    QHelpCollectionHandler(const QString &collectionFile, QObject *parent = 0);
+    explicit QHelpCollectionHandler(const QString &collectionFile,
+        QObject *parent = 0);
     ~QHelpCollectionHandler();
 
     QString collectionFile() const;