-Werror,-Wunused-private-field

Change-Id: I27a139506a9a88a00031958f6569eccb51375ef1
diff --git a/include/svtools/genericunodialog.hxx b/include/svtools/genericunodialog.hxx
index 3111f33..a651471 100644
--- a/include/svtools/genericunodialog.hxx
+++ b/include/svtools/genericunodialog.hxx
@@ -68,9 +68,6 @@ namespace svt
            ,public ::comphelper::OMutexAndBroadcastHelper
            ,public ::comphelper::OPropertyContainer
    {
    private:
        ::osl::Mutex                    m_aExecutionMutex;  /// access safety for execute/cancel

    protected:
        VclPtr<Dialog>              m_pDialog;                  /// the dialog to execute
        bool                        m_bExecuting : 1;           /// we're currently executing the dialog