Don't use bfd_size_type in readelf.c and dwarf.c

Replacing bfd_size_type with dwarf_size_type or uint64_t is mostly
cosmetic.  The point of the change is to avoid use of a BFD type
in readelf, where we'd like to keep as independent of BFD as
possible.  Also, the patch is a step towards using standard types.
2 files changed