* coffcode.h (bfd_coff_backend_data): Added new arguments to

	* coffcode.h (bfd_coff_backend_data): Added new arguments to
	_bfd_coff_swap_aux_in and _bfd_coff_swap_aux_out: aux index number
	and number of aux entries.
	(bfd_coff_swap_aux_in, bfd_coff_swap_aux_out): Changed
	accordingly.
	* libcoff.h: Rebuilt.
	* coffswap.h (coff_swap_aux_in, coff_swap_aux_out): Accept new
	arguments.  If RS6000COFF_C, only treat C_EXT and C_HIDEXT
	specially if this is the last aux entry.
	* coffgen.c (coff_write_symbol, coff_get_normalized_symtab): Pass
	new arguments to swap_aux functions.