ported to mingw

[linphone] / tunnel

diff --git a/tunnel b/tunnel
index 3c19ce5fd922b926c1ee16a90633986c6e585af3..7ab47085cf698660e9fe17c2c4f3255cd5d5a8a5 160000 (submodule)
--- a/tunnel
+++ b/tunnel
@@ -1 +1 @@
-Subproject commit 3c19ce5fd922b926c1ee16a90633986c6e585af3
+Subproject commit 7ab47085cf698660e9fe17c2c4f3255cd5d5a8a5