update ms2

diff --git a/mediastreamer2 b/mediastreamer2
index 8487b621a38d9a7561f9a9d25ae63692bfbe8aea..3fab7e1b190a4d2bb4a8d7514acfa5b0bcdb4e3e 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 8487b621a38d9a7561f9a9d25ae63692bfbe8aea
+Subproject commit 3fab7e1b190a4d2bb4a8d7514acfa5b0bcdb4e3e