AppArmor: Fix style

Summary:
Minor fixes that I did not notice in the last update of AppArmor ( Sorry :( ).
This modifies 'itemDatas' to improve the highlighting in the 'vim (dark)' schema and corrects the delimiters of the end-of-rule keywords.

Reviewers: Framework: Syntax Highlighting, dhaumann

Reviewed By: Framework: Syntax Highlighting, dhaumann

Subscribers: ngraham, Frameworks

Tags: Frameworks

Differential Revision: https://phabricator.kde.org/D10220