gcse.c, [...]: s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g

        * gcse.c, lcm.c, sched-deps.c:
        s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g

        * flow.c (flow_loops_find): Free dom if we found no loops, since
        we aren't going to save it.

        * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
        done.

From-SVN: r43938