Added missing support method for current FauxSocket for pypy

lib/cherrypy/wsgiserver/wsgiserver2.py

@@ -99,12 +99,14 @@ DEFAULT_BUFFER_SIZE = -1
 
 
 class FauxSocket(object):
-
     """Faux socket with the minimal interface required by pypy"""
 
     def _reuse(self):
         pass
 
+    def _drop(self):
+        pass
+
 _fileobject_uses_str_type = isinstance(
     socket._fileobject(FauxSocket())._rbuf, basestring)
 del FauxSocket  # this class is not longer required for anything.