DPorts: don't sync past 1819967

[John Marino]

The last 4 commits on DPorts are wrong.
The dragonfly dports mirror was pointing at jrmarino/DPorts which in 
turn was pointing at DragonFlyBSD/DPorts.

I forked DragonFlyBSD/DPorts and now the mirror is reflecting my local 
changes.  Matt has to fix this.

This is the last good commit:
https://gitweb.dragonflybsd.org/dports.git/commit/18199674ad72bd93914f38e4acb89cecf1f9541f

Don't use anything past that if you build from source until this is 
sorted out.

John