update msstream2

diff --git a/mediastreamer2 b/mediastreamer2
index fddd83c7d30e3f189f9b4d10bbaaeeee0d31435c..e7201e06c99afa14a33a1c4b47144daf467cbab1 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit fddd83c7d30e3f189f9b4d10bbaaeeee0d31435c
+Subproject commit e7201e06c99afa14a33a1c4b47144daf467cbab1