Updating unison

diff --git a/modules/unison b/modules/unison
index ea8fed6fc92c7de473624802a7431371d70c4607..3b3818f64ee9bcee8c2258b321d45da57d01ad64 160000 (submodule)
--- a/modules/unison
+++ b/modules/unison
@@ -1 +1 @@
-Subproject commit ea8fed6fc92c7de473624802a7431371d70c4607
+Subproject commit 3b3818f64ee9bcee8c2258b321d45da57d01ad64