Update to last version of wdef_tools

diff --git a/wdef_tools b/wdef_tools
index a641ba3bb7f370eeaa9e2a8186f799dd3f2e6f5b..22ce1dfa574214d95b4534a2e615faf4d60ea669 160000 (submodule)
--- a/wdef_tools
+++ b/wdef_tools
@@ -1 +1 @@
-Subproject commit a641ba3bb7f370eeaa9e2a8186f799dd3f2e6f5b
+Subproject commit 22ce1dfa574214d95b4534a2e615faf4d60ea669