CRF: dealloc in the reverse order as init, and added comment

Author: fantix

examples/bench/echoserver.py

@@ -77,6 +77,8 @@ def data_received(self, data):
 class EchoBufferedProtocol(asyncio.BufferedProtocol):
     def connection_made(self, transport):
         self.transport = transport
+        # Here the buffer is intended to be copied, so that the outgoing buffer
+        # won't be wrongly updated by next read
         self.buffer = bytearray(256 * 1024)
 
     def connection_lost(self, exc):

uvloop/sslproto.pyx

@@ -205,10 +205,10 @@ cdef class SSLProtocol:
             self._ssl_buffer, self._ssl_buffer_len, PyBUF_WRITE)
 
     def __dealloc__(self):
+        self._ssl_buffer_view = None
         PyMem_RawFree(self._ssl_buffer)
-        self._ssl_buffer_len = 0
         self._ssl_buffer = NULL
-        self._ssl_buffer_view = None
+        self._ssl_buffer_len = 0
 
     def __init__(self, loop, app_protocol, sslcontext, waiter,
                  server_side=False, server_hostname=None,