Update wdef_schemas submodule

diff --git a/wdef_schemas b/wdef_schemas
index d1cf28e32ed97a0a8585c564ec2af23bcc602506..21db429145eb6bb4293555f548bdcd85d07aae85 160000 (submodule)
--- a/wdef_schemas
+++ b/wdef_schemas
@@ -1 +1 @@
-Subproject commit d1cf28e32ed97a0a8585c564ec2af23bcc602506
+Subproject commit 21db429145eb6bb4293555f548bdcd85d07aae85