Fix compiler warning in CscClusterOnTrackCreator

Fixing a compiler warning introduced in the clang build by !36503 (merged).

This merge request affects 1 package:

• MuonSpectrometer/MuonReconstruction/MuonRIO_OnTrackCreators/MuonClusterOnTrackCreator

Adding @goetz ,@rosati ,@nkoehler ,@wleight as watchers

added MuonSpectrometer master review-pending-level-1 labels

changed title from Fix compiler warning in MscMlusterOnTrackCreator to Fix compiler warning in CscClusterOnTrackCreator

CI Result SUCCESS (hash 652bc88b)

	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 20838]

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

mentioned in commit c89f9abe

merged

added sweep:ignore label