Fix for LCG dictionary warning due to Particle range.
Attempt to fix the warning
[538/1775] Generating PhysEventDict.cpp, PhysEventDict.rootmap, PhysEventDict_rdict.pcm
Warning: Selection file PhysEvent_selection.xml, lines 32 and 52. Attempt to select a class LHCb::Particle with two rules which have incompatible attributes. The attributes such as transiency might not be correctly propagated to the typesystem of ROOT.
Selected (line 32): Yes
Attributes:
id = 00000321-0000-0000-0000-000000000000
name = LHCb::Particle
No field sel rules
No method sel rules
Conflicting rule already matched:
Selected (line 52): Yes
Attributes:
pattern = Gaudi::*Range*LHCb::Particle*
No field sel rules
No method sel rules
To be reviewed by Vanya @ibelyaev