Patch by Quentin Gallet-Gilles: Renaming leftovers for 2.6.

This fixes the omissions of configparser, copyreg, queue and
socketserver renaming.
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 1e91eef..ddb2c81 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -1,7 +1,7 @@
 """Create portable serialized representations of Python objects.
 
 See module cPickle for a (much) faster implementation.
-See module copy_reg for a mechanism for registering custom picklers.
+See module copyreg for a mechanism for registering custom picklers.
 See module pickletools source for extensive comments.
 
 Classes: