vcl: kde4: loplugin:staticmethods

Change-Id: Ie51eaa11e1ed1e811c9b671c1284f81e1459151d
diff --git a/vcl/unx/kde4/KDE4FilePicker.hxx b/vcl/unx/kde4/KDE4FilePicker.hxx
index 2159e54..98e9af6 100644
--- a/vcl/unx/kde4/KDE4FilePicker.hxx
+++ b/vcl/unx/kde4/KDE4FilePicker.hxx
@@ -221,7 +221,7 @@ private:
    //add a custom control widget to the file dialog
    void addCustomControl(sal_Int16 controlId);

    QString getResString( sal_Int16 aRedId );
    static QString getResString( sal_Int16 aRedId );

private Q_SLOTS:
    void cleanupProxy();