merge patch for translation of call duration in logs

[linphone] / mediastreamer2

diff --git a/mediastreamer2 b/mediastreamer2
index e83722c77eedce9eadcfcf54eff1de054dc2a2e9..b5944d8d25bec0acd992288fee03a5016a6b02ca 160000 (submodule)
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit e83722c77eedce9eadcfcf54eff1de054dc2a2e9
+Subproject commit b5944d8d25bec0acd992288fee03a5016a6b02ca