--- a/qtmobility/src/publishsubscribe/qsystemreadwritelock_p.h	Fri Jun 11 14:26:25 2010 +0300
+++ b/qtmobility/src/publishsubscribe/qsystemreadwritelock_p.h	Wed Jun 23 19:08:38 2010 +0300
@@ -63,7 +63,7 @@
         UnknownError
     };
 
-    QSystemReadWriteLock(const QString &key, AccessMode mode = Open);
+    explicit QSystemReadWriteLock(const QString &key, AccessMode mode = Open);
     ~QSystemReadWriteLock();
 
     bool lockForRead();