D19043: Fix warning

[Aleix Pol Gonzalez]

apol created this revision.
apol added a reviewer: Kirigami.
Herald added a project: Kirigami.
Herald added a subscriber: plasma-devel.
apol requested review of this revision.

REVISION SUMMARY
  lib64/qml/org/kde/kirigami.2/private/ActionButton.qml:269: TypeError: Cannot read property 'a' of undefined
  lib64/qml/org/kde/kirigami.2/private/ActionButton.qml:322: TypeError: Cannot read property 'a' of undefined
  lib64/qml/org/kde/kirigami.2/private/ActionButton.qml:368: TypeError: Cannot read property 'a' of undefined

TEST PLAN
  Don't get it anymore

REPOSITORY
  R169 Kirigami

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D19043

AFFECTED FILES
  src/controls/private/ActionButton.qml

To: apol, #kirigami
Cc: plasma-devel, dkardarakos, apol, davidedmundson, mart, hein
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