Adapt to Gaudi::Functional switch to Gaudi::Algorithm
This is a backward compatible change needed to prepare for gaudi/Gaudi!1444 (merged).
Part of a set of independent MRs: Rec!3395 (merged) Allen!1193 (merged) Analysis!975 (merged) !466 (merged) LHCb!4082 (merged)
Edited by Marco Clemencic