fixed flicker in wxTreeCtrl::SetItemXXX()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13026 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -60,6 +60,13 @@ Unix ports:
   and the compiler flags for C++ files only, CFLAGS should still be used
   to compile pure C files.
 
+2.3.3
+-----
+
+wxMSW:
+
+- fixed flicker in wxTreeCtrl::SetItemXXX()
+
 2.3.2
 -----