Rebuild freeradius-server for sql fix

diff --git a/freeradius-server b/freeradius-server
index a723342..91504e6 160000 (submodule)
--- a/freeradius-server
+++ b/freeradius-server
@@ -1 +1 @@
-Subproject commit a723342ce40bcf0638370d604b4b9adda5ba0ce9
+Subproject commit 91504e6fbb97da2da6bfbd130d2ec144f0b7e9ec