const'ify pointer

2 jobs for master in 25 minutes and 5 seconds (queued for 4 minutes and 35 seconds)
Status Job ID Name Coverage
  Build
passed #65162
build_clazy_clang_tidy

00:22:39

failed #65161
linux kf5-qt5 qt5.12

00:02:25

 
Name Stage Failure
failed
linux kf5-qt5 qt5.12 Build
    return self.do_open(http.client.HTTPSConnection, req,
File "/usr/lib64/python3.8/urllib/request.py", line 1353, in do_open
raise URLError(err)
urllib.error.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>
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ERROR: Job failed: exit code 1