* bfd.c (bfd_perror): Flush stdout before and stderr after printing

	* bfd.c (bfd_perror): Flush stdout before and stderr after printing
	error.
	(_bfd_default_error_handler): Likewise.
	* elf.c (print_segment_map): Likewise.
	* libbfd.c (warn_deprecated): Likewise.
	* som.c (som_sizeof_headers): No need to do so here.
	* coff-i860.c: Replace use of printf for error messages with
	_bfd_error_handler.
	* coff-ppc.c: Likewise.
	* coff-sh.c: Likewise.
	* elf32-bfin.c: Likewise.
	* elf32-dlx.c: Likewise.
	* elf32-mep.c: Likewise.
	* elf32-v850.c: Likewise.
	* mach-o.c: Likewise.
	* pef.c: Likewise.