Patch #1262036: Prevent TarFiles from being added to themselves under
certain conditions.

Will backport to 2.5.
diff --git a/Misc/NEWS b/Misc/NEWS
index ae4d0d0..92f81eb 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -103,6 +103,9 @@
 Library
 -------
 
+- Patch #1262036: Prevent TarFiles from being added to themselves under
+  certain conditions.
+
 - Patch #1230446: tarfile.py: fix ExFileObject so that read() and tell()
   work correctly together with readline().