Merge topic 'mocmacrosonce'

8ff0c2b1dd AutoMoc: Do not list moc macros multiple times
6e2f4029c0 cmAlgorithms: Preserve const-ness in cmRemoveDuplicates range signature

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !6459