* elf-bfd.h: Add prototypes for bfd_elf32_write_relocs,

    * elf-bfd.h: Add prototypes for bfd_elf32_write_relocs,
        bfd_elf32_slurp_reloc_table, bfd_elf64_write_relocs, and
        bfd_elf64_slurp_reloc_table.

        * elfcode.h (elf_write_relocs, elf_slurp_reloc_table): New
        definitions to get external names.
        (elf_write_relocs): Renamed from write_relocs and make global.
        (elf_slurp_reloc_table): Make global.
        (_bfd_elf,size_info): Use elf_write_relocs instead of write_relocs.