Merge pull request #366 from getong/fix_ranch_error_log_three_parameters

log the ranch error msg

src/error_logger_lager_h.erl

@@ -189,7 +189,12 @@ log_event(Event, #state{sink=Sink} = State) ->
                         [Ref, _Protocol, Worker, Reason] ->
                             ?LOGFMT(Sink, error, Worker,
                                 "Ranch listener ~p terminated with reason: ~s",
-                                [Ref, format_reason(Reason)])
+                                [Ref, format_reason(Reason)]);
+                        [Ref, Protocol, Ret] ->
+                            %% ranch_conns_sup.erl module line 119-123 has three parameters error msg, log it.
+                            ?LOGFMT(Sink, error, Protocol,
+                                "Ranch listener ~p terminated with result:~s",
+                                [Ref, format_reason(Ret)])
                     end;
                 {false, "webmachine error"++_} ->
                     %% Webmachine HTTP server error