1. undid my wrong fix to wxWindowBase::Centre

2. corrected fatal bug in wxCheckLstBox (double deletion of items)
3. wxTextCtrl::SetValue() only does it if the new text is different from
   the old one
4. wxBitmap(const wxIcon&) ctor added
5. compilation fixes for VC++ and generic Win32 implementation of
   wxGetCurrentTime() in timercmn.cpp


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/font.cpp

@@ -200,8 +200,6 @@ bool wxFont::RealizeResource()
     {
         // VZ: the old code returned FALSE in this case, but it doesn't seem
         //     to make sense because the font _was_ created
-        wxLogDebug(wxT("Calling wxFont::RealizeResource() twice"));
-
         return TRUE;
     }