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/gtk/mdi.h

@@ -161,7 +161,8 @@ public:
 #endif
 
     // no icon
-    void SetIcon( const wxIcon &icon ) { m_icon = icon; }
+    void SetIcon( const wxIcon &icon ) { m_icons = wxIconBundle( icon ); }
+    void SetIcons( const wxIconBundle &icons ) { m_icons = icons; }
 
     // no title
     void SetTitle( const wxString &title );