Bump libusual

diff --git a/lib b/lib
index 404edd367c7eb458b6ee48b521e6f70502a7b719..395b2d257d6f9a5d3178e9a9e44ce80291074960 160000 (submodule)
--- a/lib
+++ b/lib
@@ -1 +1 @@
-Subproject commit 404edd367c7eb458b6ee48b521e6f70502a7b719
+Subproject commit 395b2d257d6f9a5d3178e9a9e44ce80291074960