mongodb/libbson — pull request #36 by watsonsong (2014-03-19 05:09:38+00:00)
Title: Fix building error on windows platform for visual studio 2012.

Define the ssize_t structure if it not existed.
The macro used the same as libuv, for I am using the libuv the mongodb in the same project.
Or there maybe some better way to process the define of ssize_t?