Sync bugfix from libucl.

diff --git a/src/ucl b/src/ucl
index 332add582cb1c64d7522358048dfac9ba4754bf6..8b0d3d41ff15a84a1fa264771c9e26c2df250922 160000 (submodule)
--- a/src/ucl
+++ b/src/ucl
@@ -1 +1 @@
-Subproject commit 332add582cb1c64d7522358048dfac9ba4754bf6
+Subproject commit 8b0d3d41ff15a84a1fa264771c9e26c2df250922