update modules

[mdref/mdref.m6w6.name] / refs / pq

diff --git a/refs/pq b/refs/pq
index 6cfe641aec005ea350ab3ed7954da7f674c58c2d..5ff900f48dfecc4782191837f9f80f295c083d06 160000 (submodule)
--- a/refs/pq
+++ b/refs/pq
@@ -1 +1 @@
-Subproject commit 6cfe641aec005ea350ab3ed7954da7f674c58c2d
+Subproject commit 5ff900f48dfecc4782191837f9f80f295c083d06