CalVR/calvr — pull request #2 by johnmangan (2013-03-28 22:45:32+00:00)
Title: Including unistd.h

#include is needed in many files, without which CalVR is failing to compile under Ubuntu 12.04, gcc (Ubuntu/Linaro 4.7.2-2ubuntu1) 4.7.2.

It was only included for non-WIN32 systems.