Attempt to ensure that everything passed to connection_fatal() is

also logged to the Event Log, so that it's easy to cut-and-paste the
error message afterwards.

[originally from svn r1599]

telnet.c

@@ -575,7 +575,8 @@ static int telnet_closing(Plug plug, char *error_msg, int error_code,
     }
     if (error_msg) {
 	/* A socket error has occurred. */
-	connection_fatal(error_msg);
+	logevent(error_msg);
+	connection_fatal("%s", error_msg);
     }				       /* Otherwise, the remote side closed the connection normally. */
     return 0;
 }