update ms2 and oRTP

[linphone] / oRTP

diff --git a/oRTP b/oRTP
index bd64df5148bdfd4a2ff5153927676fc497118279..8cf1bea6dfa66332cad995fc1c9f38b0b98d77c0 160000 (submodule)
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit bd64df5148bdfd4a2ff5153927676fc497118279
+Subproject commit 8cf1bea6dfa66332cad995fc1c9f38b0b98d77c0