[java-atk-wrapper] (2 commits) ...Merge branch 'child_add' into 'master'

From: Samuel Thibault <sthibaul src gnome org>
To: commits-list gnome org
Cc:
Subject: [java-atk-wrapper] (2 commits) ...Merge branch 'child_add' into 'master'
Date: Wed, 1 May 2019 22:21:01 +0000 (UTC)

Summary of changes:

  0dd40b6... Fix missing reference addition on children_changed::add
  49e1a7f... Merge branch 'child_add' into 'master'