Add entries for cStringIO and cPickle
diff --git a/Modules/Setup.in b/Modules/Setup.in
index 1097378..7bc5906 100644
--- a/Modules/Setup.in
+++ b/Modules/Setup.in
@@ -312,6 +312,9 @@
 # Fred Drake's interface to the Python parser
 parser parsermodule.c
 
+# Digital Creations' cStringIO and cPickle
+cStringIO cStringIO.c
+cPickle cPickle.c
 
 # Example -- included for reference only:
 # xx xxmodule.c