[Halld-offline] nightly build errors and warnings

[Mark Ito]

================ ERRORS ================
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_roentgen.log:/group/halld/Software/scripts/build_scripts/build_halld.csh: Command not found.
================ WARNINGS ==============
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:183: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:184: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:185: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:186: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:187: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:189: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:190: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:191: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:192: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:193: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:194: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:195: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:196: warning: dereferencing type-punned pointer will break strict-aliasing rules
/group/halld/Software/builds/sim-recon/nightly/2012-12-13/halld_jlabl3.log:dl_routines.cc:197: warning: dereferencing type-punned pointer will break strict-aliasing rules