loplugin:redundantcast

Change-Id: I1ca323870cfbfae05768489ebd8d0fc59191de06
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 262478f..6be4438 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -429,13 +429,13 @@ namespace
                          guint info,
                          gpointer user_data_or_owner)
    {
        VclGtkClipboard* pThis = reinterpret_cast<VclGtkClipboard*>(user_data_or_owner);
        VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
        pThis->ClipboardGet(clipboard, selection_data, info);
    }

    void ClipboardClearFunc(GtkClipboard *clipboard, gpointer user_data_or_owner)
    {
        VclGtkClipboard* pThis = reinterpret_cast<VclGtkClipboard*>(user_data_or_owner);
        VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
        pThis->ClipboardClear(clipboard);
    }
}