Update UTCP to fix a compile error.

[meshlink] / src / utcp

diff --git a/src/utcp b/src/utcp
index fa38b03a6d236619d27df086f46c379476026242..134cccee1441033ad5bcb736a689a3a7481886d8 160000 (submodule)
--- a/src/utcp
+++ b/src/utcp
@@ -1 +1 @@
-Subproject commit fa38b03a6d236619d27df086f46c379476026242
+Subproject commit 134cccee1441033ad5bcb736a689a3a7481886d8