#4 patch to fix make errors; missing errno.h includes.

[Guđmundur D. Haraldsson]

This patch will fix the make errors which occur because
of missing includes for errno.h

The patch should be applied like this:
patch -p1 < ipaudit-errno-patch

.. inside the ipaudit folder.

-G.

[Guđmundur D. Haraldsson]