Initialize value for MonitorElement pointers

[Dr15Jones]

This fixes gcc7 compiler warnings.

[cmsbuild]

The code-checks are being triggered in jenkins.

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-23011/4409

[cmsbuild]

A new Pull Request was created by @Dr15Jones (Chris Jones) for master.

It involves the following packages:

DQMOffline/Trigger

@vazzolini, @kmaeshima, @dmitrijus, @cmsbuild, @jfernan2, @vanbesien can you please review it and eventually sign? Thanks.
@battibass, @mtosi, @jhgoh, @calderona, @HuguesBrun, @drkovalskyi, @trocino, @folguera, @rociovilar 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

[Dr15Jones]

This fixes the warnings such as
https://cmssdt.cern.ch/SDT/cgi-bin/buildlogs/slc7_amd64_gcc700/CMSSW_10_2_X_2018-04-18-2300/DQMOffline/Trigger

[Dr15Jones]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/27573/console Started: 2018/04/19 18:18

[cmsbuild]

+1
Tested at: 1c174a0
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-23011/27573/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
713132b
8b21175
ed9d673
4d64b0e
2759d59
66154d1
e328316
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-23011/27573/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-23011/27573/git-merge-result

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-23011/27573/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 329 differences found in the comparisons
• DQMHistoTests: Total files compared: 29
• DQMHistoTests: Total histograms compared: 2492830
• DQMHistoTests: Total failures: 226
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2492428
• DQMHistoTests: Total skipped: 176
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 23 files compared)
• Checked 119 log files, 9 edm output root files, 29 DQM output files

[Dr15Jones]

ping

[fabiocos]

@jfernan2 @dmitrijus this looks a quite simple PR, could you please check and sign it in case?

[jfernan2]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @davidlange6, @slava77, @smuzaffar, @fabiocos (and backports should be raised in the release meeting by the corresponding L2)

[fabiocos]

The differences look unrelated to this PR, and coming from overlapped PRs

[fabiocos]

+1