Fix minor EBN issues
Summary: Include duplication, no newline at the end of file and missing argument to the i18n() call
Test Plan: Should work fine but needs a review for i18n() calls
Reviewers: Plasma, apol
Reviewed By: apol
Subscribers: apol, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D24580