LWHists: Fix gcc14 warnings.

Don't call methods on an object after its destructor has been called.

Build area was cleaned as per request posted in the DB. The full software build will be performed

This merge request affects 1 package:

• Tools/LWHists

This merge request affects 4 files:

• Tools/LWHists/src/Flex1DHisto.icc
• Tools/LWHists/src/Flex1DProfileHisto.icc
• Tools/LWHists/src/Flex2DHisto.icc
• Tools/LWHists/src/Flex2DProfileHisto.icc

added Tools main review-pending-level-1 labels

CI Result SUCCESS (hash 3cd6f69e)

	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 3041]

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

merged

mentioned in commit d1fe5af6