Make static theVerboseLevel const

[Dr15Jones]

The file static variable theVerboseLevel has no way of being changed
via code therefore it is safe to make it const. This avoids complaints
from the static analyzer.

[Dr15Jones]

This variable was being accessed by a stream module so removing the static analyzer complaint makes it easier to find real problems.

[cmsbuild]

A new Pull Request was created by @Dr15Jones (Chris Jones) for CMSSW_7_3_X.

Make static theVerboseLevel const

It involves the following packages:

RecoLocalTracker/SiPixelRecHits

@cmsbuild, @nclopezo, @StoyanStoynev, @slava77 can you please review it and eventually sign? Thanks.
@makortel, @GiacomoSguazzoni, @rovere, @VinInn, @dkotlins, @gpetruc, @cerati, @threus, @venturia this is something you requested to watch as well.
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@nclopezo you are the release manager for this.
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[cmsbuild]

+1
Tested at: b635263
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6392/880/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6392/880/summary.html

[slava77]

+1

for #6392 b635263
kind of trivial, and jenkins agrees

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_3_X IBs unless changes (tests are also fine). This pull request will be automatically merged.