[Halld-offline] nightly build errors and warnings

[Mark Ito]

================ ERRORS ================
================ WARNINGS ==============
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:DBCALCluster_factory.cc:407: warning: unused variable 'sigTheta'
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:DBCALCluster_factory.cc:421: warning: unused variable 'sigPhi'
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:DBCALGeometry.cc:141: warning: unused variable 'cell_layer'
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:DBCALCluster_factory.cc:407: warning: unused variable 'sigTheta'
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:DBCALCluster_factory.cc:421: warning: unused variable 'sigPhi'
/scratch/gluex/halld_builds/2011-05-26/halld_ifarml6.log:DBCALGeometry.cc:141: warning: unused variable 'cell_layer'
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:DBCALCluster_factory.cc:407: warning: unused variable 'sigTheta'
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:DBCALCluster_factory.cc:421: warning: unused variable 'sigPhi'
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:DBCALGeometry.cc:141: warning: unused variable 'cell_layer'
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:DBCALCluster_factory.cc:407: warning: unused variable 'sigTheta'
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:DBCALCluster_factory.cc:421: warning: unused variable 'sigPhi'
/scratch/gluex/halld_builds/2011-05-26/halld_jlabl3.log:DBCALGeometry.cc:141: warning: unused variable 'cell_layer'