Updated makefile for mobile sample.

Updated changes.txt.
  Moved contents of ::Update() to ::GtkUpdate()
  Moved internal idle functions in wxApp to
    its own function.
  Tried to fix themed background redraw problem
    (probably same bug in wxNotebook and in
     wxStatusBar and others).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15204 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/window.h

@@ -112,6 +112,9 @@ public:
     // OnInternalIdle
     virtual void OnInternalIdle();
 
+    // Internal represention of Update()
+    void GtkUpdate();
+    
     // For delayed background 
     void GtkSetBackgroundColour( const wxColour &colour );
     void GtkSetForegroundColour( const wxColour &colour );