uPnP improvements

[linphone] / mediastreamer2

diff --git a/mediastreamer2 b/mediastreamer2
index e033b06a731d0b9bc4e69afc690f6469eae73f66..8d85a5ded3b18e2d3d4ba22ee75e0f1ef9c0f739 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit e033b06a731d0b9bc4e69afc690f6469eae73f66
+Subproject commit 8d85a5ded3b18e2d3d4ba22ee75e0f1ef9c0f739