Fix broken error message for socket error during upload.

(backport from trunk)

--HG--
branch : setuptools-0.6
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/branches/setuptools-0.6%4050530

setuptools/command/upload.py

@@ -164,7 +164,7 @@ class upload(Command):
             http.endheaders()
             http.send(body)
         except socket.error, e:
-            self.announce(e.msg, log.ERROR)
+            self.announce(str(e), log.ERROR)
             return
 
         r = http.getresponse()