Have md5 raise a DeprecationWarning as per PEP 4.
diff --git a/Misc/NEWS b/Misc/NEWS
index 8f4bceb..c1f3763 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -220,6 +220,8 @@
 Library
 -------
 
+- md5 now raises a DeprecationWarning upon import.
+
 - mimify now raises a DeprecationWarning upon import.
 
 - MimeWriter now raises a DeprecationWarning upon import.