Merge pull request #62657 from jamiepryde/ec-plugins-tidying-nits-and-bits

erasure-code: Handle review comments from #61804 to tidy up EC plugin changes

diff --cc src/erasure-code/ErasureCodeInterface.h
Simple merge

diff --cc src/erasure-code/jerasure/ErasureCodeJerasure.h
Simple merge

diff --cc src/osd/ECTypes.h
Simple merge