Added wxToolBar::SetTool[Normal|Disabled]Bitmap for wxMSW, wxGTK and wxMac

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@44317 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/tbargtk.h

@@ -52,6 +52,12 @@ public:
 
     virtual void SetWindowStyleFlag( long style );
 
+#if wxABI_VERSION >= 20802
+    // TODO: In 2.9 these should probably be virtual, and declared in the base class...
+    void SetToolNormalBitmap(int id, const wxBitmap& bitmap);
+    void SetToolDisabledBitmap(int id, const wxBitmap& bitmap);
+#endif
+    
     static wxVisualAttributes
     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);