AthContainersRoot: Fix thread-safety checker warnings.

Fix some new thread-safety checker warnings.

added alsoTargeting:22.0 label

This merge request affects 1 package:

• Control/AthContainersRoot

This merge request affects 1 file:

• Control/AthContainersRoot/src/RootAuxVectorFactory.cxx

Adding @ssnyder as watcher

added Core Tau analysis-review-required master review-pending-level-1 labels

removed Tau label

CI Result SUCCESS (hash f9e73b48)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 59252]

lgtm approving -- L1

added review-approved label and removed review-pending-level-1 label

added analysis-review-approved label and removed analysis-review-required label

merged

mentioned in commit 955b9544

added sweep:done label

picked the changes into the branch cherry-pick-955b9544998-22.0 with commit 66cdaee2

mentioned in commit 66cdaee2

mentioned in merge request !56948 (merged)

Sweep summary
successful:

• 22.0

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/3144/console for details)

mentioned in commit fa4cb7a5