Update ms2

[linphone] / mediastreamer2

diff --git a/mediastreamer2 b/mediastreamer2
index e110f7668c8d4afa52cf15a372e35cd996f72053..d52aa7726ce5d11ea31ebd538ec1903790bbcbb6 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit e110f7668c8d4afa52cf15a372e35cd996f72053
+Subproject commit d52aa7726ce5d11ea31ebd538ec1903790bbcbb6