Fix compiler warnings

These compiler warnings are only seen with clang on macosx. Fix format in printf and Form functions. Comment unused parameters.

enabled an automatic merge when the pipeline for 07f48954 succeeds

canceled the automatic merge

@p.-a.loizeau,

I canceled the automatic merging since I found another one. I will push the changes in a minute or so.

added 1 commit

• 2a005ce2 - Fix compiler warnings

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Dear @f.uhlig, @p.-a.loizeau, @n.herrmann, @i.deppner,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

added 1 commit

• 51c49ff9 - Fix compiler warnings

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added 1 commit

• 9ded4663 - Fix compiler warnings

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merged