MuonCablingData: fix build for gcc13 (!64131) · Merge requests · atlas / athena · GitLab

Frank Winklmeier requested to merge fwinkl/athena:muoncablingdata_gcc13 into 23.0 Jul 05, 2023

Disambiguate equality operator for NrpcCablingCoolData.

Relates to ATLINFR-4959. cc @jojungge