added wxTextCtrl::ChangeValue() which is the same as SetValue() but doesn't send the text changed event (first part of patch 1553551)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41739 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/palmos/textctrl.cpp

@@ -233,6 +233,10 @@ void wxTextCtrl::SetValue(const wxString& value)
 {
 }
 
+void wxTextCtrl::ChangeValue(const wxString& value)
+{
+}
+
 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
 
 // TODO: using memcpy() would improve performance a lot for big amounts of text