mention (incompatible) wxListCtrl::Find change

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@8379 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -1,6 +1,15 @@
 wxWindows 2 Change Log
 ----------------------
 
+INCOMPATIBLE CHANGES
+--------------------
+
+wxMSW:
+
+- wxListCtrl::Find() parameter meaning changed, see docs for details
+  (starting item is now included in the search, use 0 to search from the
+   beginning)
+
 2.2.1
 -----