* aout-adobe.c (aout_adobe_callback): Use _bfd_error_handler

	* aout-adobe.c (aout_adobe_callback): Use _bfd_error_handler
	rather than a direct fprintf.
	* archive.c (_bfd_write_archive_contents): Likewise.
	* coffcode.h (coff_slurp_symbol_table): Likewise.
	* elf32-ppc.c (ppc_elf_merge_private_bfd_data): Likewise.
	(ppc_elf_unsupported_reloc): Likewise.
	(ppc_elf_relocate_section): Likewise.
	* i386linux.c (linux_tally_symbols): Likewise.
	(linux_finish_dynamic_link): Likewise.
	* osf-core.c (osf_core_core_file_p): Likewise.
	* rs6000-core.c (rs6000coff_get_section_contents): Likewise.
	* som.c (som_sizeof_headers): Likewise.
	* srec.c (srec_bad_byte): Likewise.
	* bfd.c (bfd_assert): Likewise.  Also change file to be const.
	* libbfd-in.h (bfd_assert): Declare first parameter const.
	* libbfd.h: Rebuild.
	* coff-a29k.c (a29k_reloc): Don't bother to fprintf; returning
	bfd_reloc_overflow is enough.
	* coff-h8300.c (rtype2howto): Don't bother to fprintf; just abort.
	* coff-h8500.c (rtype2howto): Likewise.
	* coff-z8k.c (rtype2howto): Likewise.
	* coffcode.h (dummy_reloc16_extra_cases): Likewise.
	* elf.c (_bfd_elf_get_lineno): Likewise.
	(_bfd_elf_no_info_to_howto): Likewise.
	(_bfd_elf_no_info_to_howto_rel): Likewise.
	* hp300hpux.c (convert_sym_type): Likewise.
	(MY(swap_std_reloc_in)): Likewise.
	* elf.c (bfd_section_from_shdr): Remove #if 0 sections.