OS/2 update for wxUniv merge.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/progdlgg.h

@@ -116,6 +116,10 @@ private:
    class WXDLLEXPORT wxWindowDisabler *m_winDisabler;
 
    DECLARE_EVENT_TABLE()
+private:
+    // Virtual function hiding supression
+    void Update()
+    { wxWindowBase::Update(); }
 };
 #endif