added -Wall and fixed so many warning messages.

SConscript

SConstruct

include/i686/config.h

include/i86pc/config.h

include/x86_64/config.h

libEXEIO/include/exeio.h

libEXEIO/include/exeio_elf.h

libEXEIO/include/exeio_pe.h

libEXEIO/src/SConscript

libEXEIO/test/SConscript

libElfDep/src/elfdep.cpp

libIRDB/include/core/eh.hpp

libIRDB/include/core/file.hpp

libIRDB/include/core/fileir.hpp

libIRDB/include/core/function.hpp

libIRDB/include/core/type.hpp

libIRDB/src/cfg/BasicBlock.cpp

libIRDB/src/cfg/SConscript

libIRDB/src/cfg/callgraph.cpp

libIRDB/src/cfg/domgraph.cpp