StoreGateBindings: Work around clang 9 bug.

Work around clang 9 bug compiling TClassEdit.h: use RootUtils/TClassEditRootUtils.h.

This merge request affects 1 package:

• Control/StoreGateBindings

Adding @ssnyder as watcher

added Core master review-pending-level-1 labels

CI Result SUCCESS (hash 05c49c97)

	Athena	AthSimulation
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 10360]

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

merged

mentioned in commit efb55ded

added sweep:ignore label