Download patch
ref: ac6828f4fa06d5d15a64370cdb63b29ba3627f7e parent: f2aa3c75ae8a3d41ef85be739752d3f189c7eea3 author: Licai Guo <guolicai@gmail.com> date: Sat Dec 14 15:37:33 EST 2013
Enable 64-bit build on Linux & Mac