update ms2

diff --git a/mediastreamer2 b/mediastreamer2
index c972fd012b65c122ceae4ae6a429eafb6d0a9f24..7e80b7c99175ff4165814eaa90d13a7b1bd7a869 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit c972fd012b65c122ceae4ae6a429eafb6d0a9f24
+Subproject commit 7e80b7c99175ff4165814eaa90d13a7b1bd7a869