wxIconBundle implementation.

wxTLW::SetIcons() properly implemented for wxMotif, wxGTK, wxMSW, wxX11, wxUniversal
Placeholders that just call SetIcon for wxOS2 and wxMac.
Regenerated makefiles.
Added hardwired wxSYS_ICON_X/Y = 32 for wxGTK.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14809 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/toplevel.h

@@ -55,6 +55,7 @@ public:
     virtual void Iconize(bool iconize = TRUE);
     virtual bool IsIconized() const;
     virtual void SetIcon(const wxIcon& icon);
+    virtual void SetIcons(const wxIconBundle& icons );
     virtual void Restore();
 
     virtual bool Show(bool show = TRUE);