InDetMultipleVertexSeedFinder: Fix clang warnings.

Missing override keywords.

This merge request affects 1 package:

• InnerDetector/InDetRecTools/InDetMultipleVertexSeedFinder

This merge request affects 3 files:

• InnerDetector/InDetRecTools/InDetMultipleVertexSeedFinder/InDetMultipleVertexSeedFinder/DivisiveMultiSeedFinder.h
• InnerDetector/InDetRecTools/InDetMultipleVertexSeedFinder/InDetMultipleVertexSeedFinder/HistogrammingMultiSeedFinder.h
• InnerDetector/InDetRecTools/InDetMultipleVertexSeedFinder/InDetMultipleVertexSeedFinder/SlidingWindowMultiSeedFinder.h

Adding @goetz ,@amorley ,@sroe as watchers

added InnerDetector master review-pending-level-1 labels

CI Result SUCCESS (hash 8feced04)

	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 25185]

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

merged

mentioned in commit 1537837d

added sweep:ignore label