SGTools: Fix cppcheck warning.

Prefer range-for.

This merge request affects 1 package:

• Control/SGTools

This merge request affects 1 file:

• Control/SGTools/src/DataStore.cxx

Adding @ssnyder as watcher

added Core main review-pending-level-1 labels

CI Result SUCCESS (hash e44df023)

	Athena	AthSimulation	AthGeneration	AthAnalysis
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
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 5772] (remote access info)

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

merged

mentioned in commit 42513be6