D12860: DoxygenLua: fix closing comment blocks

[jonathan poelen]

jpoelen edited the test plan for this revision.

REPOSITORY
  R216 Syntax Highlighting

REVISION DETAIL
  https://phabricator.kde.org/D12860

To: jpoelen, #framework_syntax_highlighting, dhaumann
Cc: kde-frameworks-devel, michaelh, ngraham, bruns