Add some NEWS for fixes already in 2.5c1
diff --git a/Misc/NEWS b/Misc/NEWS
index 6bb2f97..92c084b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -96,6 +96,10 @@
 Core and builtins
 -----------------
 
+- Fix infinite recursion when subclassing long and overriding __hash__.
+
+- Fix concatenation (+=) of long strings.
+
 - Unicode objects will no longer raise an exception when being
   compared equal or unequal to a string and a UnicodeDecodeError
   exception occurs, e.g. as result of a decoding failure.