Fix linking with CLHEP libraries
Fix issue with linking with CLHEP libraries due to MR !691 (merged) as well as trying to build v54r4p1 in nightly lhcb-sim10-ref
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Fix issue with linking with CLHEP libraries due to MR !691 (merged) as well as trying to build v54r4p1 in nightly lhcb-sim10-ref
slot