linters: fix clang-check-12

6 jobs for pr/93 in 1 minute and 3 seconds (queued for 5 seconds)
Status Name Job ID Coverage
  Test
passed doc-coverage #130052

00:00:46

93.0%
passed format #130053

00:00:10

passed robotpkg-dynamic-graph-v3-18.04 #130048

00:00:39

passed robotpkg-dynamic-graph-v3-20.04 #130049

00:00:55

passed robotpkg-dynamic-graph-v3-buster #130050

00:01:02

passed robotpkg-dynamic-graph-v3-ferrum #130051

00:00:28