fix for icc compiler: added the missing pat:: namespace

[smuzaffar]

This should fix the following compilation errors for ICC builds
DataFormats/PatCandidates/interface/Jet.h(482): error: no instance of overloaded function "reco::operator<<" matches the specified type friend std::ostream& reco::operator<<(std::ostream& out, const Jet& obj);
DataFormats/PatCandidates/interface/Muon.h(238): error: no instance of overloaded function "reco::operator<<" matches the specified type friend std::ostream& reco::operator<<(std::ostream& out, const Muon& obj);

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for CMSSW_7_4_X.

fix for icc compiler: added the missing pat:: namespace

It involves the following packages:

DataFormats/PatCandidates

@cmsbuild, @vadler, @nclopezo, @monttj can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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[vadler]

+1
Trivial technical fix.
The implementation is in line with other PAT objects now.

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_4_X IBs unless changes or unless it breaks tests.

[cmsbuild]

+1
Tested at: df4e285
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6779/1426/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_4_X IBs unless changes (tests are also fine). This pull request will be automatically merged.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6779/1426/summary.html