Auto updated submodule references
diff --git a/caravel b/caravel
index de98d51..3939f96 160000
--- a/caravel
+++ b/caravel
@@ -1 +1 @@
-Subproject commit de98d514aa6c642ef020876a64c4cdb2c9ea9a8a
+Subproject commit 3939f96c0ea297ef2b593beae87ea6505138ce15