Make pointers in static arrays const

[Dr15Jones]

The static analyzer complained that the pointers in the const arrays
were not const. Changing them to const did not change the semantics
of the algorithm.

[Dr15Jones]

The static analyzer was complaining about the FamosProducer because of these statics.
@ktf the change is trivial so I'd vote for a signature bypass.

[cmsbuild]

A new Pull Request was created by @Dr15Jones (Chris Jones) for CMSSW_7_4_X.

Make pointers in static arrays const

It involves the following packages:

SimG4CMS/Calo

@cmsbuild, @civanch, @nclopezo, @mdhildreth can you please review it and eventually sign? Thanks.
@makortel this is something you requested to watch as well.
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[ktf]

Trivial, bypassing.