Fix gcc9 warning in L1TriggerConfig

[mrodozov]

PR description:

Fixes warning in L1TriggerConfig

PR validation:

Builds without warning

[mrodozov]

please test

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-27854/11592

• This PR adds an extra 20KB to repository

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/2155/console Started: 2019/08/23 18:43

[cmsbuild]

A new Pull Request was created by @mrodozov (Mircho Rodozov) for master.

It involves the following packages:

L1TriggerConfig/L1GtConfigProducers

@cmsbuild, @rekovic, @benkrikler can you please review it and eventually sign? Thanks.
@Martin-Grunewald this is something you requested to watch as well.
@davidlange6, @slava77, @fabiocos you are the release manager for this.

cms-bot commands are listed here

[cmsbuild]

+1
Tested at: 756f944
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a6ff94/2155/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-a6ff94/2155/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 34
• DQMHistoTests: Total histograms compared: 2939508
• DQMHistoTests: Total failures: 2
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2939165
• DQMHistoTests: Total skipped: 341
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 33 files compared)
• Checked 142 log files, 14 edm output root files, 34 DQM output files

[fabiocos]

@rekovic this looks straightforward to me, please cross check and propose a change in case

[fabiocos]

+1

[fabiocos]

merge