Update debian package

diff --git a/shibboleth/xmltooling b/shibboleth/xmltooling
index 4b54656..d15449b 160000 (submodule)
--- a/shibboleth/xmltooling
+++ b/shibboleth/xmltooling
@@ -1 +1 @@
-Subproject commit 4b54656cfd720a6eaaa8ac6df9111af3dc79b06a
+Subproject commit d15449bd5b32c113613c4e7842d771b91360251e