Assemble: change load_devices to return most_recent 'st' value.

This means that

	st->ss->getinfo_super(st, content, NULL);
	clean = content->array.state & 1;

will get an up-to-date value for 'clean'.  This fix allows
  tests/03r5assem-failed
to work.

Signed-off-by: NeilBrown <[email protected]>

Author: neilbrown

Assemble.c

@@ -703,8 +703,12 @@ static int load_devices(struct devs *devices, char *devmap,
 		if (devices[devcnt].i.disk.state == 6) {
 			if (most_recent < 0 ||
 			    devices[devcnt].i.events
-			    > devices[most_recent].i.events)
+			    > devices[most_recent].i.events) {
+				struct supertype *tmp = tst;
+				tst = st;
+				st = tmp;
 				most_recent = devcnt;
+			}
 		}
 		tst->ss->free_super(tst);
 		free(tst);