AGDDControl: Fix cppcheck warnings.

Fix cppcheck warnings.

This merge request affects 1 package:

• DetectorDescription/AGDD/AGDDControl

This merge request affects 3 files:

• DetectorDescription/AGDD/AGDDControl/AGDDControl/ExpressionEvaluator.h
• DetectorDescription/AGDD/AGDDControl/src/AGDD2GeoModelBuilder.cxx
• DetectorDescription/AGDD/AGDDControl/src/ExpressionEvaluator.cxx

Adding @rosati ,@wleight ,@stavrop ,@rbianchi ,@jojungge as watchers

added Geometry master review-pending-level-1 labels

CI Result SUCCESS (hash 738dfaa5)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
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
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 40091]

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

merged

mentioned in commit 57000e8f

added sweep:ignore label