Sweeping !56961 from master to 22.0. AthenaBaseComps: Fix thread-safety checker warnings.

AthenaBaseComps: Fix thread-safety checker warnings.

See merge request !56961 (merged)

added sweep:from master label

Adding original author @ssnyder as watcher.

This merge request affects 1 package:

• Control/AthenaBaseComps

This merge request affects 1 file:

• Control/AthenaBaseComps/AthenaBaseComps/GaudiComponentVisitor.h

Adding @ssnyder as watcher

added 22.0 Core review-pending-level-1 labels

CI Result SUCCESS (hash 3ab566f7)

	Athena	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
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 59362]

There are no CI issues. Approving.

Jason (L1)

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

added review-approved-tier0 label

added review-approved-point1 label

merged

mentioned in commit 320c3433