unbit/uwsgi — pull request #757 by didrix (2014-10-26 19:25:00+00:00)
Title: Missing header for 'KERN_PROC_PID'

Error generated trying to compile uwsgi on OpenBSD 5.6:
```core/logging.c:819: error: 'KERN_PROC_PID' undeclared (first use in this function)```

```#include ``` is needed for ‘KERN_PROC_PID’ on (at least) OpenBSD.