print-rtl.c (print_rtx): Only print note line number as string if between NOTE_INSN_BIAS and NOTE_INSN_MAX.

	* print-rtl.c (print_rtx): Only print note line number as string
	if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
	* final.c (final_scan_insn): Do nothing for note line number 0.

From-SVN: r33997