This got lost due to confusion over who was handling what.

Attached is a revised patch, s/STAGEDIR/DESTDIR/ and the dw-start.sh
script was getting installed with the wrong permissions because I
overlooked the fact it's installed in the examples/ with a bunch of
datafiles.

PR: ports/436814
Submitted by: Kyle Evans <bsdports@kyle-evans.net>
Reported by: danfe
MFH: 2017Q2