neovim/neovim — pull request #603 by watk (2014-04-24 01:20:43+00:00)
Title: Remove O_EXTRA which was only for EMX and cygwin.

This got a bit messed up by the initial cleanup of vim.h. O_EXTRA was set to O_BINARY when either `__EMX__` or `__CYWGIN32__` were defined. Now it's meaningless and it seemed to be an error prone approach anyway.