really fixed GetRenderer() and GetEditor() methods, they were both broken in some strange and twisted (and different) ways

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13185 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -63,12 +63,16 @@ Unix ports:
 2.3.3
 -----
 
-All:
+wxBase:
 
 - fixes to the command line parsing error and usage messages
 - modified wxFileName::CreateTempFileName() to open the file atomically
   (if possible) and, especially, not to leak the file descriptors under Unix
 
+All (GUI):
+
+- fixed using custom renderers in wxGrid which was broken in 2.3.2
+
 wxMSW:
 
 - huge (40*) speed up in wxMask::Create() (=> much faster toolbar creation)