update ms2 again

diff --git a/mediastreamer2 b/mediastreamer2
index fecaf6d588b106d2154a5bdda7148b74290fccd2..294440b8517a4e5766a56a9d26be282aa44e0588 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit fecaf6d588b106d2154a5bdda7148b74290fccd2
+Subproject commit 294440b8517a4e5766a56a9d26be282aa44e0588