bfd/

bfd/
	* elfxx-sparc.h (_bfd_sparc_elf_link_hash_table): Remove append_rela.
	* elfxx-sparc.c (sparc_elf_append_rela_64, sparc_elf_append_rela_32):
	Merge into...
	(sparc_elf_append_rela): ...this new function.
	(SPARC_ELF_APPEND_RELA): Delete.
	(_bfd_sparc_elf_link_hash_table_create): Don't initialize
	the deleted append_rela field.
	(_bfd_sparc_elf_relocate_section): Use sparc_elf_append_rela
	instead of SPARC_ELF_APPEND_RELA.
	(_bfd_sparc_elf_finish_dynamic_symbol): Likewise.  Use the
	elf_size_info structure to find the size of a RELA entry and
	the associated swap-out function.
	(sparc64_finish_dyn, sparc64_finish_dyn): Merge into...
	(sparc_finish_dyn): ...this new function.
	(_bfd_sparc_elf_finish_dynamic_sections): Update calls accordingly.