Jenkins job Celix/doxygen-docs#924 back to normal

[Jenkins]

The build for Celix/doxygen-docs completed successfully and is back to normal.
Build: https://ci-builds.apache.org/job/Celix/job/doxygen-docs/924/
Logs: https://ci-builds.apache.org/job/Celix/job/doxygen-docs/924/console
Changes: https://ci-builds.apache.org/job/Celix/job/doxygen-docs/924/changes