[FASTSIM] Fixes needed for GCC 10

[smuzaffar]

PR description:

Added the missing header to fix the GCC 10 build errors.

PR validation:

Local build with GCC 10 and normal IB look good

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-30173/15981

• This PR adds an extra 12KB to repository

• There are other open Pull requests which might conflict with changes you have proposed:

  • File FastSimulation/TrackingRecHitProducer/interface/PixelResolutionHistograms.h modified in PR(s): [RFC] Test clang-tidy --checks performance-unnecessary-value-param #29933

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for master.

It involves the following packages:

FastSimulation/TrackingRecHitProducer

@ssekmen, @lveldere, @civanch, @mdhildreth, @cmsbuild, @sbein can you please review it and eventually sign? Thanks.
@matt-komm this is something you requested to watch as well.
@silviodonato, @dpiparo you are the release manager for this.

cms-bot commands are listed here

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/6927/console Started: 2020/06/10 12:39

[cmsbuild]

+1
Tested at: b87cd81
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-d192bd/6927/summary.html
CMSSW: CMSSW_11_2_X_2020-06-09-2300
SCRAM_ARCH: slc7_amd64_gcc820

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-d192bd/6927/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 36
• DQMHistoTests: Total histograms compared: 2780497
• DQMHistoTests: Total failures: 1
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2780446
• DQMHistoTests: Total skipped: 50
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 35 files compared)
• Checked 152 log files, 16 edm output root files, 36 DQM output files

[smuzaffar]

@silviodonato , this is techinical fix (only added a missing header here), please merge it for next IB

[silviodonato]

merge