Fix to allow auto-closing of linked issue
Fix to allow auto-closing of linked issue

See https://help.github.com/en/articles/closing-issues-using-keywords. This phrasing will ensure the corresponding issue is automatically closed when the PR is merged.
eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j,eclipse/rdf4j