TrkGeometry: Thread-safety cleanup.

Attributes should match between declarations and definitions.

This merge request affects 1 package:

• Tracking/TrkDetDescr/TrkGeometry

Adding @amorley as watcher

added Tracking master review-pending-level-1 labels

CI Result SUCCESS (hash aa401615)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 20972]

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

merged

mentioned in commit 97e5a4f8

added sweep:ignore label