fix typo in tr

diff --git a/trust_router b/trust_router
index 2b9f240..507e39f 160000 (submodule)
--- a/trust_router
+++ b/trust_router
@@ -1 +1 @@
-Subproject commit 2b9f240f37259cb0075b776bb89951ce4cbd52c1
+Subproject commit 507e39f43bbf5d99fba67ce9adf03820c89a0b7c