fix the summing of TriggerResults across multiple streams

[fwyzard]

No description provided.

[cmsbuild]

A new Pull Request was created by @fwyzard (Andrea Bocci) for CMSSW_7_1_X.

fix the summing of TriggerResults across multiple streams

It involves the following packages:

FWCore/Framework

@cmsbuild, @Degano, @Dr15Jones, @ktf, @nclopezo can you please review it and eventually sign? Thanks.
@wddgit, @wmtan this is something you requested to watch as well.
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@nclopezo, @ktf you are the release manager for this.
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[cmsbuild]

+1
Tested at: a589ac4
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5057/1906/summary.html

[Dr15Jones]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?