joyent/node — pull request #6992 by bnoordhuis (2014-01-29 14:00:33+00:00)
Title: Revert "src: only define ssize_t on windows if undefined"

Reverted for breaking building add-ons on Linux, OS X and probably
other UNIX platforms. See rvagg/nan#66 for an example.

This reverts commit ab54e32bbd53ba920ac8e6cd06330fc8aa317de3.

/cc @tjfontaine @indutny