haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.

haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.

        * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
        (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
        (sched_note_set): Remove unused parameter `b', all callers changed.
        (schedule_block): Likewise for `rgn'.
        (split_hard_reg_notes): Likewise for `orig_insn'.
        (check_live): Likewise for `trg'.
        (update_live): Likewise.
        (check_live_1): Explcitly declare variable `i' as int.
        (update_live_1): Likewise.
        (insn_issue_delay): Remove unused variable `link'.
        (sched_analyze_2): Add default case in enumeration switch.
        (schedule_insns): Remove unused variable `i'.
	* Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.

From-SVN: r18048