Trac does not see /opt for attaching files

[Ryan Schmidt]

> On May 15, 2017, at 12:03, Dave Horsfall <dave at horsfall.org> wrote:
> 
> On Tue, 16 May 2017, Joshua Root wrote:
> 
>> You can hit cmd-shift-. to show hidden files and folders in open/save 
>> dialogs.
> 
> The question is of course why is /opt hidden in the first place?  This 
> smacks of the M$ "you don't need to know this" attitude.

I thought we were hiding it, but it's not hidden on my systems and I can't find anywhere in the Makefile or postflight script where it's being hidden, so I must've imagined it.