ptarjan/viencrypt — pull request #6 by fredrikmollerstrand (2014-03-04 21:36:36+00:00)
Title: fix check for shred executable

Fixes the check for a `shred` executable.

I've tested this on Ubuntu 12.04 and OS X (where `sh` is really `bash`).

Also included is an automatic trailing whitespace fix which I'm happy to remove if you feel it doesn't belong.