bug fix for ill-defined ValueMaps in IsolatedTrack producer

[bjmarsh]

This fixes a small bug in #19025, pointed out here.

@smuzaffar

[cmsbuild]

A new Pull Request was created by @bjmarsh (Bennett Marsh) for master.

It involves the following packages:

PhysicsTools/PatAlgos

@perrotta, @cmsbuild, @slava77, @monttj, @davidlange6 can you please review it and eventually sign? Thanks.
@TaiSakuma, @gouskos, @imarches, @ahinzmann, @acaudron, @mmarionncern, @rappoccio, @jdolen, @nhanvtran, @gpetruc, @gkasieczka, @schoef, @ferencek, @mverzett, @mariadalfonso, @pvmulder, @seemasharmafnal, @JyothsnaKomaragiri this is something you requested to watch as well.
@davidlange6 you are the release manager for this.

cms-bot commands are listed here

[slava77]

@cmsbuild please test

The fix looks simple enough
@bjmarsh thank you for the quick submission

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/20654/console Started: 2017/06/16 20:08

[cmsbuild]

+1
Tested at: 745fbb3
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-19303/20654/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-19303/20654/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 22
• DQMHistoTests: Total histograms compared: 1803136
• DQMHistoTests: Total failures: 15085
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 1787885
• DQMHistoTests: Total skipped: 166
• DQMHistoTests: Total Missing objects: 0
• Checked 90 log files, 14 edm output root files, 22 DQM output files

[slava77]

+1

for #19303 745fbb3

• bugfix looks OK
• jenkins tests pass (Reco comparison results: 0 differences found in the comparisons)
• I confirm that the problem in TauAnalysis/MCEmbeddingTools goes away

[davidlange6]

merge