Update shibboleth

diff --git a/shibboleth/sp b/shibboleth/sp
index 7d6b6dd..92ddbaf 160000 (submodule)
--- a/shibboleth/sp
+++ b/shibboleth/sp
@@ -1 +1 @@
-Subproject commit 7d6b6dd7c6100c2d565d51f872261db884bd8e3f
+Subproject commit 92ddbafde37e7df26340dfe939adcf71cb649134