compilation fixes for PalmOS and implementations of missing standard functions (pflib.diff part of patch 1894861)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52227 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/palmos/listctrl.h

@@ -2,7 +2,7 @@
 // Name:        wx/palmos/listctrl.h
 // Purpose:     wxListCtrl class
 // Author:      William Osborne - minimal working wxPalmOS port
-// Modified by:
+// Modified by: Yunhui Fu
 // Created:     10/13/04
 // RCS-ID:      $Id$
 // Copyright:   (c) William Osborne
@@ -376,9 +376,6 @@ protected:
     // return the text for the given column of the given item
     virtual wxString OnGetItemText(long item, long column) const;
 
-    // return the text for the given column of the given item
-    virtual wxString OnGetItemText(long item, long column) const;
-
     // return the icon for the given item. In report view, OnGetItemImage will
     // only be called for the first column. See OnGetItemColumnImage for 
     // details.