[Differential] [Request, 16 lines] D2542: Simplify code

[apol (Aleix Pol Gonzalez)]

apol created this revision.
apol added reviewers: Kirigami, mart.
Restricted Application added a project: Kirigami.
Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  Don't crash if m_stylesFallbackChain is empty
  
  It can be reproduced by defining QT_QUICK_CONTROLS_STYLE=Breeze

REPOSITORY
  rKIRIGAMI Kirigami

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D2542

AFFECTED FILES
  src/kirigamiplugin.cpp
  src/kirigamiplugin.h

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: apol, #kirigami, mart
Cc: plasma-devel
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