update beechat module.

diff --git a/mod/beechat b/mod/beechat
index 8ed0cede5e2422b49327d3e47333032b2b666735..ca9e77c5dc802efb452a22e95441f8c9f0c6892d 160000 (submodule)
--- a/mod/beechat
+++ b/mod/beechat
@@ -1 +1 @@
-Subproject commit 8ed0cede5e2422b49327d3e47333032b2b666735
+Subproject commit ca9e77c5dc802efb452a22e95441f8c9f0c6892d