Log Message:
bzflag: Update to 2.4.22

BZFlag 2.4.22  "Eyes are windows to your SDL" (2021-02-27)
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* Fix many issues with SDL 2 window management - Joshua Bodine, Scott Wichser
* The playHistoryTracker plugin now tracks kills correctly - Scott Wichser
* Local shotID was not being set in bz_eShotFiredEvent - Agatha
* Send active autopilot statuses to a joining player - Scott Wichser
* Fix solo bots being kicked when rejoining to a server - Scott Wichser
* Fix the backspace key not working on the bzadmin Curses menu - Scott Wichser