seize: Adjust the position of the log message

Based on the code, the `ret` variable at this point does not
represent the task state, so this log message should be
moved to a position after the `compel_wait_task()` function.

Signed-off-by: Yuanhong Peng <yummypeng@linux.alibaba.com>

criu/seize.c

@@ -707,8 +707,6 @@ static int collect_children(struct pstree_item *item)
 			goto free;
 		}
 
-		pr_info("Seized task %d, state %d\n", pid, ret);
-
 		c = alloc_pstree_item();
 		if (c == NULL) {
 			ret = -1;
@@ -746,6 +744,8 @@ static int collect_children(struct pstree_item *item)
 		if (ret == TASK_STOPPED)
 			c->pid->stop_signo = compel_parse_stop_signo(pid);
 
+		pr_info("Seized task %d, state %d\n", pid, ret);
+
 		c->pid->real = pid;
 		c->parent = item;
 		c->pid->state = ret;