update submodules

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

diff --git a/refs/pq b/refs/pq
index ed227d1dd7a45c1e44e896ad9291fa1e12cfab06..37d6a26249ee6ec36c6fbacbde9936f60f9e3bf9 160000 (submodule)
--- a/refs/pq
+++ b/refs/pq
@@ -1 +1 @@
-Subproject commit ed227d1dd7a45c1e44e896ad9291fa1e12cfab06
+Subproject commit 37d6a26249ee6ec36c6fbacbde9936f60f9e3bf9