LArCondTools: Fix cppcheck warning.

Don't use string::find to test the start of a string.

This merge request affects 1 package:

• LArCalorimeter/LArCondTools

This merge request affects 1 file:

• LArCalorimeter/LArCondTools/src/FixLArElecCalib.cxx

Adding @pavol as watcher

added LAr main review-pending-level-1 labels

CI Result SUCCESS (hash 06ec4116)

	Athena
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 3642]

Approving. Clara (L1)

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

merged

mentioned in commit 84aaf45c