update cyrus-sasl

diff --git a/cyrus-sasl b/cyrus-sasl
index 5965589..7fef9d8 160000 (submodule)
--- a/cyrus-sasl
+++ b/cyrus-sasl
@@ -1 +1 @@
-Subproject commit 5965589a349832ddfa3bcce7439b6228b2cbd6b7
+Subproject commit 7fef9d8d7c38f8638bad24de28f5b79251f2c00a