fix compilation error for gcc600: sdt::accumulate need numeric header

[smuzaffar]

No description provided.

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/16285/console

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for CMSSW_8_1_X.

It involves the following packages:

CalibTracker/SiStripESProducers

@ghellwig, @cerminar, @cmsbuild, @franzoni, @mmusich, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @jlagram, @gbenelli, @tocheng this is something you requested to watch as well.
@slava77, @smuzaffar you are the release manager for this.

cms-bot commands are listed here #13028

[cmsbuild]

-1

Tested at: 4ed041e

You can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-16539/16285/summary.html

I found follow errors while testing this PR

Failed tests: RelVals

• RelVals:

When I ran the RelVals I found an error in the following worklfows:
4.22 step2

runTheMatrix-results/4.22_RunCosmics2011A+RunCosmics2011A+RECOCOSD+ALCACOSD+SKIMCOSD+HARVESTDC/step2_RunCosmics2011A+RunCosmics2011A+RECOCOSD+ALCACOSD+SKIMCOSD+HARVESTDC.log

1000.0 step2

runTheMatrix-results/1000.0_RunMinBias2011A+RunMinBias2011A+TIER0+SKIMD+HARVESTDfst2+ALCASPLIT/step2_RunMinBias2011A+RunMinBias2011A+TIER0+SKIMD+HARVESTDfst2+ALCASPLIT.log

8.0 step3

runTheMatrix-results/8.0_BeamHalo+BeamHalo+DIGICOS+RECOCOS+ALCABH+HARVESTCOS/step3_BeamHalo+BeamHalo+DIGICOS+RECOCOS+ALCABH+HARVESTCOS.log

[cmsbuild]

Comparison not run due to runTheMatrix errors (RelVals and Igprof tests were also skipped)

[smuzaffar]

@davidlange6 , this PR fixes the gcc600 IBs compilation errors. Can we get this in for next IB?