[Halld-offline] nightly build errors and warnings

[Mark Ito]

================ ERRORS ================
================ WARNINGS ==============
/scratch/gluex/halld_builds/2011-04-11/halld_ifarml6.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules
/scratch/gluex/halld_builds/2011-04-11/halld_jlabl3.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules