Log Message:
ruby-gnome2: update to 3.1.9.

Upstream changes:
(from https://github.com/ruby-gnome2/ruby-gnome2/blob/3.1.9/NEWS)

== Ruby-GNOME2 3.1.9: 2017-10-16

This is a release that includes GObject Introspection migrated Ruby/Poppler.

=== Changes

==== All

  * Improvements

    * Added (({Makefile})) existence check before running (({make})).
      [GitHub#1065][Patch by HIGUCHI Daisuke]

  * Fixes

    * Fixed shebang paths.
      [GitHub#1066][Patch by HIGUCHI Daisuke]

==== Ruby/GLib

  * Improvements

    * Windows: Updated required cairo gem dependency.

==== Ruby/GObjectIntrospection

  * Improvements

    * (({GObjectIntrospection::Loader.register_object_class_converter})):
      Added.

    * Added (({gboolean *})) output support.

    * Added (({[GBoxed]})) output support.

    * Added (({[gboolean]})) input support.

==== Ruby/GDK3

  * Improvements

    * (({Gdk::Window#origin})): Ignored garbage return value.

==== Ruby/GTK3

  * Improvements

    * Added more demos.
      [GitHub#1096][GitHub#1098][GitHub#1099][GitHub#1103]
      [Patch by cedlemo]

    * (({Gtk::Container#add_child})): Added.
      [GitHub#1101][Reported by Robert A. Heiler]

    * (({Gtk::Container#remove_child})): Added.
      [GitHub#1101][Reported by Robert A. Heiler]

==== Ruby/Poppler

  * Improvements

    * Migrated to GObject Introspection bindings.
      [Patch by cedlemo]

==== Ruby/WebKit2GTK

  * Improvements

    * Reduced fragile test failure.
      [GitHub#1067][Patch by HIGUCHI Daisuke]

    * Followed upstream fix for
      (({webkit_web_view_new_with_related_view})).
      [GitHub#1095][Reported by Jeremy Bicha]

    * Relaxed test to support the latest WebKit2GTK+.
      [GitHub#1095][Reported by Jeremy Bicha]

==== Ruby/Rsvg2

  * Improvements

    * Added document how to install on Heroku.
      [GitHub#1071][Patch by Ciocanel Razvan]

==== Ruby/VTE3

  * Improvements

    * (({Vte::Regex})): Added.
      [GitHub#1087][Patch by cedlemo]

=== Thanks

  * HIGUCHI Daisuke

  * cedlemo

  * Ciocanel Razvan

  * Jeremy Bicha

  * Robert A. Heiler