* utils.c, defs.h (error_begin): New function.

	* utils.c, defs.h (error_begin): New function.
	(quit): Print annotation before printing the error message.
	* main.c (return_to_top_level): Print annotation before doing the
	longjmp.
	* symtab.c (decode_line_1): Call error not warning and then
	return_to_top_level.  Call error_begin and printf_unfiltered
	rather calling warning (before calls to return_to_top_level).
	* core.c (memory_error): Use error_begin, printf_unfiltered,
	print_address_numeric and return_to_top_level instead of error.
	Cleans up a FIXME-32x64.
	* language.c (type_error, range_error): Call error_begin
	not just target_terminal_ours.