fixing memory leak in EgammaHLTNxNClusterProducer :75X

[Sam-Harper]

This is the 75X flavour of #10530 (and is actually being merged into 7_5_X this time!)

This pull request fixes a memory leak in EgammaHLTNxNClusterProducer and is considered by the TSG an absolutely urgent and necessary fix for 25ns data taking.

[cmsbuild]

A new Pull Request was created by @Sam-Harper for CMSSW_7_5_X.

fixing memory leak in EgammaHLTNxNClusterProducer :75X

It involves the following packages:

RecoEgamma/EgammaHLTProducers

@Martin-Grunewald, @perrotta, @cmsbuild, @fwyzard can you please review it and eventually sign? Thanks.
@lgray this is something you requested to watch as well.
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@Degano you are the release manager for this.
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[Martin-Grunewald]

please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

+1
Tested at: 0a8c7f4
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10539/6925/summary.html

[Martin-Grunewald]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs once checked with relvals in the development release cycle of CMSSW (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @Degano, @smuzaffar

[davidlange6]

+1