migrate to dhtnet namespace

Change-Id: I7143a010bd83e8cfa7a3c8c3072ed23f6f0ba8e3
diff --git a/include/multiplexed_socket.h b/include/multiplexed_socket.h
index 9e254bb..23c1ba1 100644
--- a/include/multiplexed_socket.h
+++ b/include/multiplexed_socket.h
@@ -34,7 +34,7 @@
 }
 }
 
-namespace jami {
+namespace dhtnet {
 
 using Logger = dht::log::Logger;
 class IceTransport;
@@ -358,4 +358,4 @@
 
 } // namespace jami
 
-MSGPACK_ADD_ENUM(jami::ChannelRequestState);
+MSGPACK_ADD_ENUM(dhtnet::ChannelRequestState);