Fix OSError.__init__ and OSError.__new__ so that each of them can be
overriden and take additional arguments (followup to issue #12555).
diff --git a/Misc/NEWS b/Misc/NEWS
index d2fbdfc..cd9b061 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
 Core and Builtins
 -----------------
 
+- Fix OSError.__init__ and OSError.__new__ so that each of them can be
+  overriden and take additional arguments (followup to issue #12555).
+
 - Fix the fix for issue #12149: it was incorrect, although it had the side
   effect of appearing to resolve the issue.  Thanks to Mark Shannon for
   noticing.