misc: rename namespace jami to namespace dhtnet

Change-Id: I904ec8fa1f35dfdcf1aabd5f1ec8d95989ad0696
diff --git a/include/multiplexed_socket.h b/include/multiplexed_socket.h
index 7b62fc3..e243946 100644
--- a/include/multiplexed_socket.h
+++ b/include/multiplexed_socket.h
@@ -356,6 +356,6 @@
     std::unique_ptr<Impl> pimpl_;
 };
 
-} // namespace jami
+} // namespace dhtnet
 
 MSGPACK_ADD_ENUM(dhtnet::ChannelRequestState);