Protection included in custom fragment for reprocessing

[civanch]

Updated pull request 2116 by mistake become a new one 2146. This is a protection inside the fragment for legacy reprocessing against absence of g4SimHits addressing bug report.

[cmsbuild]

A new Pull Request was created by @civanch (Vladimir Ivantchenko) for CMSSW_5_3_X.

2116

It involves the following packages:

SimG4Core/Application

@cmsbuild, @civanch, @Degano, @mdhildreth, @nclopezo can you please review it and eventually sign? Thanks.
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@smuzaffar you are the release manager for this.
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[civanch]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_5_3_X IBs unless changes or unless it breaks tests. @smuzaffar can you please take care of it?

[davidlange6]

+1

[smuzaffar]

+tested