Log Message:
ruby-gnome2: update to 3.2.1.

Upstream changes (from NEWS):

== Ruby-GNOME2 3.2.1: 2017-11-19

This is a memory related bug fix release.

=== Changes

==== Ruby/GLib2

  * Improvements

    * (({GLib::Bytes#initialize})): Stopped to copy data for frozen
      (({String})).

==== Ruby/GObjectIntrospection

  * Fixes

    * Fixed memory leaks for output parameters.
      [GitHub#1113][Reported by Will Bryant]

==== Ruby/GIO2

  * Improvements

    * (({Gio::InputStream#read_all})): Made workable.
      [GitHub#1110][Reported by Paul van Tilburg]

    * (({Gio::InputStream#read})): If the given size is (({nil})),
      read until EOF or error. It's compatible with Ruby's IO objects.

==== Ruby/GTK3

  * Improvements

    * Marked top-level windows automatically.
      [GitHub#1103][Reported by cedlemo]

=== Thanks

  * Paul van Tilburg

  * cedlemo

  * Will Bryant