revert previous cyrus-sasl commit

diff --git a/cyrus-sasl b/cyrus-sasl
index 9da0e79..5a0b9a5 160000 (submodule)
--- a/cyrus-sasl
+++ b/cyrus-sasl
@@ -1 +1 @@
-Subproject commit 9da0e79067688db69a6ea1437de2780af4fa80b7
+Subproject commit 5a0b9a5b556773b6c28e49f6a046c0eef79b106c