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