Log Message:
ruby-gnome2: update to 3.3.0.

Upstream changes (from NEWS):

== Ruby-GNOME2 3.3.0: 2018-10-31

This is a release for fixing memory leak bugs of cairo-gobject,
improving macOS support and adding support for GEGL.

=== Changes

==== Ruby/GLib2

  * Improvements

    * Added support for the same constant name and class name for error.

  * Fixes

    * Fixed wrong constant values:

      * (({GLib2::MINLONG}))

      * (({GLib2::MAXLONG}))

      * (({GLib2::MAXULONG}))

      * (({GLib2::MINUINT64}))

      * (({GLib2::MAXSIZE}))

      * (({GLib2::MINFLOAT}))

      * (({GLib2::MINDOUBLE}))

      [GitHub#1244][Reported by cobodo]

==== Ruby/CairoGObject

  * Fixes

    * Fixed a memory leak.
      [GitHub#1232][Reported by Jean-Christophe Le Lann]

    * Stopped to increase needless reference.
      [GitHub#1079][Reported by noanoa07]

==== Ruby/GObjectIntrospection

  * Improvements

    * Added support for transfer full output parameter.

  * Fixes

    * Fixed a bug that class method closure doesn't work.
      [GitHub#1245][Reported by kojix2]

==== Ruby/GdkPixbuf2

  * Improvements

    * (({GdkPixbuf::Pixbuf.new})): Added support for auto row stride
      detection for (({[Integer]})) data.

==== Ruby/Pango

  * Improvements

    * Made test more robust.
      [GitHub#1239][Reported by Michael Hudson-Doyle]

==== Ruby/GTK3

  * Improvements

    * Improved backward compatibility for (({Gtk::ListStore#set_column_types})).
      [GitHub#1240][Reported by Edward Hennessy]

  * Fixes

    * Fixed wrong size used bug on HiDPI.
      [GitHub#1079][Reported by noanoa07]

==== Ruby/Poppler

  * Improvements

    * Added support for Popper 0.70.0.

==== Ruby/GEGL

  * Improvements

    * Added.

=== Thanks

  * Jean-Christophe Le Lann

  * Michael Hudson-Doyle

  * Edward Hennessy

  * cobodo

  * kojix2

  * noanoa07