[unispeech/unimrcp] 0cc310: Make sure scheduled_time is not negative

[Arsen Chaloyan]

Branch: refs/heads/master
Home: https://github.com/unispeech/unimrcp
Commit: 0cc3106334a8a7f209f04157b7e26a377ff70688
https://github.com/unispeech/unimrcp/commit/0cc3106334a8a7f209f04157b7e26a377ff70688
Author: Arsen Chaloyan <acha...@gmail.com>
Date: 2022-01-28 (Fri, 28 Jan 2022)

Changed paths:
M libs/apr-toolkit/src/apt_timer_queue.c

Log Message:
-----------
Make sure scheduled_time is not negative

This change fixes an issue when an apt_timer_t based timeout could never elapse.