* merge.c (_bfd_merged_section_offset): Remove "addend" param.

	* merge.c (_bfd_merged_section_offset): Remove "addend" param.
	* libbfd-in.h (_bfd_merged_section_offset): Adjust prototype.
	* libbfd.h: Regenerate.
	* elf.c (_bfd_elf_rela_local_sym): Adjust call.
	(_bfd_elf_rel_local_sym): Likewise.
	* elflink.c (_bfd_elf_link_sec_merge_syms): Likewise.
	(elf_link_input_bfd): Likewise.
	* elf32-ppc.c (ppc_elf_relax_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
	(elfNN_ia64_relocate_section): Likewise.