[Halld-offline] nightly build errors and warnings

[Mark Ito]

================ ERRORS ================
================ WARNINGS ==============
/group/halld/Software/builds/sim-recon/nightly/2011-10-20/halld_ifarm1102.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2011-10-20/halld_jlabl3.log:hdv_mainframe_Dict.cc:147: warning: dereferencing type-punned pointer will break strict-aliasing rules