make ensureRepaint private

Change-Id: Iaa15e12af8e59ed585e07d620353a05e4b8b5a26
Reviewed-on: https://gerrit.libreoffice.org/52257Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

include/vcl/dialog.hxx

@@ -72,6 +72,11 @@ private:
     DECL_DLLPRIVATE_LINK(ImplAsyncCloseHdl, void*, void);
     DECL_DLLPRIVATE_LINK(ResponseHdl, Button*, void);
 
+    // ensureRepaint - triggers Application::Yield until the dialog is
+    // completely repainted. Sometimes needed for dialogs showing progress
+    // during actions
+    void ensureRepaint();
+
 protected:
     using Window::ImplInit;
     void    ImplInit( vcl::Window* pParent, WinBits nStyle, InitFlag eFlag = InitFlag::Default );
@@ -121,11 +126,6 @@ public:
     virtual void PrePaint(vcl::RenderContext& rRenderContext) override;
     virtual void PostPaint(vcl::RenderContext& rRenderContext) override;
 
-    // ensureRepaint - triggers Application::Yield until the dialog is
-    // completely repainted. Sometimes needed for dialogs showing progress
-    // during actions
-    void ensureRepaint();
-
     // Screenshot interface
     virtual std::vector<OString> getAllPageUIXMLDescriptions() const;
     virtual bool selectPageByUIXMLDescription(const OString& rUIXMLDescription);