Fix missing import

(grafted from 1375a2f096ce47e2b9b7b27559671a5344a1189f)

--HG--
branch : setuptools-0.6
extra : source : 1375a2f096ce47e2b9b7b27559671a5344a1189f

setuptools/ssl_support.py

-import sys, os, socket, urllib2, atexit
+import sys, os, socket, urllib2, atexit, re
 from pkg_resources import ResolutionError, ExtractionError, resource_filename
 
 try: