Merge pull request #395 from afreakk/master

fix: provide buf argument to unsupported_extension function

libagent/ssh/protocol.py

@@ -167,6 +167,6 @@ class Handler:
         return util.frame(code, data)
 
 
-def _unsupported_extension():
+def _unsupported_extension(buf):
     code = util.pack('B', msg_code('SSH_AGENT_EXTENSION_FAILURE'))
     return util.frame(code)