update ms2

diff --git a/mediastreamer2 b/mediastreamer2
index a77366122ae4366914fb578bd8f28878f7f521be..e5f7137b7206ddc4f2803cde0f3316b90977bd6a 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit a77366122ae4366914fb578bd8f28878f7f521be
+Subproject commit e5f7137b7206ddc4f2803cde0f3316b90977bd6a