Make ROOT5 checksums known to ROOT6

[wmtan]

Some class checksums for ROOT5 have changed, causing build problems in CMSSW_7_4_ROOT5_X.
This PR simply makes the new ROOT5 checksums visible in the ROOT6 release, CMSSW_7_4_X.
PR #11211 will fix the build problems in 7_4_ROOT5_X.

[cmsbuild]

A new Pull Request was created by @wmtan for CMSSW_7_4_X.

Make ROOT5 checksums known to ROOT6

It involves the following packages:

DataFormats/PatCandidates
DataFormats/TauReco

@cmsbuild, @cvuosalo, @vadler, @monttj, @slava77 can you please review it and eventually sign? Thanks.
@gpetruc this is something you requested to watch as well.
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[cvuosalo]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

+1
Tested at: 737f5f3
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-11210/7985/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-11210/7985/summary.html

[cvuosalo]

+1

For #11210 737f5f3

Small fix to make ROOT5 checksums known to ROOT6. There should be no change in run-time behavior.

Jenkins tests against baseline CMSSW_7_4_X_2015-09-08-2300 show no significant differences, as expected.