Log Message:
ruby-gnome2: update to 3.3.2.

Upstream changes (from NEWS):

== Ruby-GNOME2 3.3.2: 2019-02-03

This is a bug fix release of 3.3.1.

=== Changes

==== Ruby/GObjectIntrospection

  * Fixed

    * Fixed wrong nil check.
      [GitHub#1270][Patch by moveccr]

    * Fixed a memory leak when module function is used with block.
      [GitHub#1270][Reported by Izumi Tsutsui]

==== Ruby/GTK3

  * Improvements

    * Add backward compatibility APIs:

      * (({Gtk::Screen#add_style_provider}))

      * (({Gtk::Screen#remove_style_provider}))

      * (({Gtk::StyleContext.add_provider_for_screen}))

      * (({Gtk::StyleContext#add_provider}))

=== Thanks

  * moveccr

  * Izumi Tsutsui