Log message:
Update ruby-RMagick package to 1.8.0.

Based on PR pkg/30171, I limit this pacakge available only for
ruby-1.8.X.  Though document says it works with Ruby 1.6.7 and
lator, it didn't build with ruby16-base pacakge.

Change Log.
	RMagick 1.8.0 - April 30, 2005
	o Added Image#shadow (ImageMagick 6.1.7)
	o Added Image::Info#undefine, #[], #[]=
	o Added sigmoidal_contrast_channel, sepiatone to Image class
	  (ImageMagick 6.2.1)
	o Added JPEG2000Compression constant (ImageMagick 6.2.2)
	o Incorporated RVG classes
	o Added RVG documentation, examples, updated installer
	o Tested with ImageMagick 6.2.2-0, latest GraphicsMagick 1.2

Log message:
Make this package build on NetBSD-1.6.x.  Patch provided by OBATA Akio.
  - Do not use -std=gnu99 option when gcc-2.x is used.
  - Create a directory used by PAX.

Log message:
Import ruby-RMagick from pkgsrc-wip.  Packaged by OBATA Akio.

RMagick is an interface between the Ruby programming language and the
ImageMagick and GraphicsMagick image processing libraries.