Made class static a member of PFCheckHitPattern

[Dr15Jones]

Had to make a static std::map to be a member data of PFCheckHitPattern
to fix a crash in the threaded framework.

[Dr15Jones]

This fixes a crash in the CMSSW_7_1_THREADED_X_2014-05-02-0200 IB.

[cmsbuild]

A new Pull Request was created by @Dr15Jones (Chris Jones) for CMSSW_7_1_X.

Made class static a member of PFCheckHitPattern

It involves the following packages:

RecoParticleFlow/PFTracking

@nclopezo, @cmsbuild, @anton-a, @thspeer, @slava77, @Degano can you please review it and eventually sign? Thanks.
@bachtis, @lgray this is something you requested to watch as well.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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@nclopezo, @ktf you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[cmsbuild]

+1
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-3652/1253/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-3652/1253/summary.html

[anton-a]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?