Fixing compiler warnings

python/Makefile.am

src/hed/dmc/gridftp/DataPointGridFTP.cpp

src/hed/libs/delegation/DelegationInterface.cpp

src/hed/libs/delegation/test.cpp

src/hed/libs/security/Makefile.am

src/services/a-rex/PayloadFile.cpp

src/services/a-rex/arex.cpp

src/services/a-rex/grid-manager/cache/cache.cpp

src/services/a-rex/grid-manager/files/delete.cpp

src/services/a-rex/grid-manager/files/info_files.cpp

src/services/a-rex/grid-manager/files/info_log.cpp

src/services/a-rex/grid-manager/jobdesc/job.cpp

src/services/a-rex/grid-manager/jobdesc/jsdl/jsdl_job.cpp

src/services/a-rex/grid-manager/jobdesc/rsl/parse_rsl.cpp

src/services/a-rex/grid-manager/jobdesc/xrsl.cpp

src/services/a-rex/grid-manager/jobs/commfifo.cpp

src/services/a-rex/grid-manager/jobs/job_request.cpp

src/services/a-rex/grid-manager/jobs/states.cpp

src/services/a-rex/grid-manager/log/job_log.cpp

src/services/a-rex/grid-manager/mail/smtp-send.c