prevent garbage leak

direct/src/http/recaptcha.py

@@ -88,6 +88,8 @@ def submit (recaptcha_challenge_field,
     httpresp = urllib2.urlopen (request)
 
     return_values = httpresp.read ().splitlines ();
+    # DCR: prevent garbage leak (really)
+    httpresp.fp._sock.recv = None
     httpresp.close();
 
     return_code = return_values [0]