Attempt to fix 3.5 compat

Author: njsmith

trio/_abc.py

@@ -413,6 +413,7 @@ async def receive_some(self, max_bytes=None):
 
         """
 
+    @aiter_compat
     def __aiter__(self):
         return self
 

trio/_ssl.py

@@ -307,7 +307,7 @@ def __init__(
         server_hostname=None,
         server_side=False,
         https_compatible=False,
-        max_refill_bytes="unused and deprecated",
+        max_refill_bytes="unused and deprecated"
     ):
         self.transport_stream = transport_stream
         self._state = _State.OK
@@ -850,7 +850,7 @@ def __init__(
         ssl_context,
         *,
         https_compatible=False,
-        max_refill_bytes="unused and deprecated",
+        max_refill_bytes="unused and deprecated"
     ):
         if max_refill_bytes != "unused and deprecated":
             warn_deprecated(