pfPorts/lighttpd: Minor lighttpd port sync (FreeBSD Ports r31355)

While here, sync with upstream.

From r311381
Author: ak <ak@FreeBSD.org>
Date:   Fri Feb 1 15:04:00 2013 +0000

    - Fix all cases of 'No newline at end of file' in ports tree

    Approved by: portmgr (bapt)

From r316355
Author: bapt <bapt@FreeBSD.org>
Date:   Tue Apr 23 14:20:25 2013 +0000

    Finish converting the whole ports tree to USES=pkgconfig