ports/178044: [patch] graphics/ruby-rmagick: do not force depend on ImageMagick with X11

[swills at FreeBSD.org]

Synopsis: [patch] graphics/ruby-rmagick: do not force depend on ImageMagick with X11

Responsible-Changed-From-To: ruby->swills
Responsible-Changed-By: swills
Responsible-Changed-When: Sat Jun 1 18:12:49 UTC 2013
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=178044