Restore libc access to sockapi

Cleanup went too for in python2 port.

confluent_server/confluent/sockapi.py

@@ -21,6 +21,8 @@
 #
 
 import atexit
+import ctypes
+import ctypes.util
 import errno
 import os
 import pwd
@@ -75,6 +77,8 @@ except ImportError:
 
 plainsocket = None
 
+libc = ctypes.CDLL(ctypes.util.find_library('c'))
+
 def _should_authlog(path, operation):
     if (operation == 'retrieve' and
             ('/sensors/' in path or '/health/' in path or