* elflink.h (elf_link_add_object_symbols): Use extsymoff when

	* elflink.h (elf_link_add_object_symbols): Use extsymoff when
	setting ever.  Sanity check the version number.  Sort out copying
	flags and other information when adding an indirect symbol.
	(NAME(bfd_elf,size_dynamic_sections)): Preserve any dynamic
	symbols added by the backend.  Clear the entire contents of the
	versym section.
	(elf_export_symbol): Ignore indirect symbols.
	(elf_link_output_extsym): Accept a section without an owner in an
	assert.
	* elfcode.h (elf_slurp_symbol_table): Add a sanity check on the
	version count.  Correct the allocation of x_versymp.