protect gcc syntax from clang

[davidlange6]

solves a warning in modules build (the last one we currently have....)

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

-code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-31462/18372

• This PR adds an extra 12KB to repository

Code check has found code style and quality issues which could be resolved by applying following patch(s)

• code-format:
  https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-31462/18372/code-format.patch
  e.g. curl https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-31462/18372/code-format.patch | patch -p1
  You can also run scram build code-format to apply code format directly

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-31462/18373

• This PR adds an extra 12KB to repository

[cmsbuild]

A new Pull Request was created by @davidlange6 (David Lange) for master.

It involves the following packages:

CondFormats/Serialization

@ggovi, @cmsbuild can you please review it and eventually sign? Thanks.
@mmusich, @seemasharmafnal this is something you requested to watch as well.
@silviodonato, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

[davidlange6]

please test

[cmsbuild]

The tests are being triggered in jenkins.

• CMSSW_11_2_X_2020-09-15-1100/slc7_amd64_gcc820: https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/9342/console Started: 2020/09/15 15:24

[cmsbuild]

+1
Tested at: 24e1137
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6f2ae5/9342/summary.html
CMSSW: CMSSW_11_2_X_2020-09-15-1100
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6f2ae5/9342/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 35
• DQMHistoTests: Total histograms compared: 2620306
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2620283
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 34 files compared)
• Checked 149 log files, 22 edm output root files, 35 DQM output files

[silviodonato]

Any objections @ggovi ?

[silviodonato]

merge
@ggovi