Auto updated submodule references
diff --git a/caravel b/caravel
index 0f16ba8..477c17f 160000
--- a/caravel
+++ b/caravel
@@ -1 +1 @@
-Subproject commit 0f16ba8eaae841a6f122fc0d5837005d3312fd2b
+Subproject commit 477c17fb986b0d3f7f3581e940095b68bd62422f