mod_tls: Ban TLS after auth, not before.

plugins/mod_tls.lua

@@ -26,9 +26,9 @@ local host = hosts[module.host];
 
 local function can_do_tls(session)
 	if session.type == "c2s_unauthed" then
-		return session.username and session.conn.starttls and host.ssl_ctx_in;
+		return session.conn.starttls and host.ssl_ctx_in;
 	elseif session.type == "s2sin_unauthed" then
-		return session.to_host and session.conn.starttls and host.ssl_ctx_in;
+		return session.conn.starttls and host.ssl_ctx_in;
 	end
 	return false;
 end