Replace the substr() as cppcheck suggests

Replace the substr() as cppcheck suggests

Tag @sroe

This merge request affects 2 packages:

• PhysicsAnalysis/D3PDTools/EventLoopGrid
• PhysicsAnalysis/SUSYPhys/SUSYTools

Affected files list will not be printed in this case

Adding @zmarshal ,@salderwe ,@cmerlass ,@cohm ,@krumnack ,@szambito ,@mrimoldi ,@janders as watchers

added Analysis SUSYTools analysis-review-required master review-pending-level-1 labels

WARNING: big files (>100K) are found in the changeset

108K in file PhysicsAnalysis/SUSYPhys/SUSYTools/Root/SUSYToolsInit.cxx

CI Result SUCCESS (hash 1e69ebd8)

	AnalysisBase
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 62550]

L1-APPROVED

removed review-pending-level-1 label

added review-approved label

added analysis-review-approved label and removed analysis-review-required label

merged

mentioned in commit d9f700a5

added sweep:ignore label