Replaced lots of ANSI/ASCII strings with their

Unicode equivalents, i.e. I put wxT() arounf
    them in lots of places.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17657 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/listctrl.cpp

@@ -466,7 +466,7 @@ public:
                         const wxPoint &pos = wxDefaultPosition,
                         const wxSize &size = wxDefaultSize,
                         long style = 0,
-                        const wxString &name = "wxlistctrlcolumntitles" );
+                        const wxString &name = wxT("wxlistctrlcolumntitles") );
 
     virtual ~wxListHeaderWindow();