unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and REG_NOTE_KIND, not PUT_MODE and GET_MODE.

	* unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
	REG_NOTE_KIND, not PUT_MODE and GET_MODE.
	(final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
	valid.

From-SVN: r43241