Really add strtok in oRTP

[linphone] / oRTP

diff --git a/oRTP b/oRTP
index 2c37d1205e9dd0e30a918ccf666ab217b66c2899..462296433f10bd84cb605edb0b38d16a4cd81d9e 160000 (submodule)
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit 2c37d1205e9dd0e30a918ccf666ab217b66c2899
+Subproject commit 462296433f10bd84cb605edb0b38d16a4cd81d9e