Thread-safe initialization of static variable in QratCscClusterFitter
requested to merge pboescho/athena:master-muonidhelpers-mt-warnings-qratcscclusterfitter into master
MR to fix MT warnings
GitLab jobs artifacts no longer stored forever as of Monday, November 4th 08:30h. Further information under https://cern.ch/otg0152576
MR to fix MT warnings