Build fails with i2p=off property set

What steps will reproduce the problem?
1. install visual studio 2012
2. compile with b2 toolset=msvc boost=source i2p=off link=static 
runtime-link=static variant=release -sBOOST_ROOT="D:\boost_1_55_0"

What is the expected output? 
The build finished without errors.

What do you see instead?
The build fails at src\torrent.cpp, the error message is:
src\torrent.cpp(9785) : error C3861: 'is_i2p': identifier not found

What version of the product are you using? On what operating system?
r9703 with libtorrent_aio branch in svn

Please provide any additional information below.

Original issue reported on code.google.com by frank051...@gmail.com on 11 Feb 2014 at 9:42

frostalf / libtorrent

Build fails with i2p=off property set #578