Fix a crash when running 'amarok -l /path/to/file'
Summary: BUG: 410870
Test Plan:
amarok -l <somefile>
Before: Assert "you need to call AmarokConfig::instance before using"
After: the file is queued and played.
Reviewers: heikobecker
Reviewed By: heikobecker
Subscribers: Amarok, amarok-devel
Differential Revision: https://phabricator.kde.org/D23326