Resolving ports conflicts for ImageMagick6

[bob prohaska]

On Sun, Nov 18, 2018 at 07:49:41PM +0100, Christoph Moench-Tegeder wrote:
> ## bob prohaska (fbsd at www.zefox.net):
> 
> > Installing ImageMagick6-6.9.10.14,1...
> > pkg-static: ImageMagick6-6.9.10.14,1 conflicts with ImageMagick-6.9.9.28_2,1 (installs files into the same place).  Problematic file: /usr/local/bin/Magick++-config
> > *** Error code 70
> 
> Make sure your installed packages are up-to-date with your ports tree.
> Using old packages with a new ports tree (or vice versa) results in... this.

I neglected to mention this in on an RPI3, so packages aren't available.

It never crossed my mind that pkg could be used to remove a port compiled
from source. I tried "make deinstall", but by then the old ImageMagick
port had morphed into ImageMagick6  and deinstall didn't work. 

bob prohaska