[Halld-offline] nightly build errors and warnings

[Mark Ito]

================ ERRORS ================
================ WARNINGS ==============
/scratch/gluex/halld_builds/2011-04-25/halld_jlabl3.log:DBCALCluster_factory.cc:407: warning: unused variable 'sigTheta'
/scratch/gluex/halld_builds/2011-04-25/halld_jlabl3.log:DBCALCluster_factory.cc:421: warning: unused variable 'sigPhi'
/scratch/gluex/halld_builds/2011-04-25/halld_jlabl3.log:smear_bcal.cc:22: warning: 'RANDOM_MAX' defined but not used
/scratch/gluex/halld_builds/2011-04-25/halld_jlabl3.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules