Bump submodule rev

ps2 · ps2 · commit f0e33bb4cdca · 2019-12-31T20:58:53.000-06:00
diff --git a/Loop b/Loop
@@ -1 +1 @@
-Subproject commit a03629dc070e3c572295d309429f20917ef63438
+Subproject commit b04a8ab87e536d368f4aee1a4fcd7efb4a7bfe15
